Answers created by Cem Sentin

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How do you simplify $3 \frac{3}{7} \div \frac{8}{21}$ $3 3/7div8/21$ ?
How can I solve this equation system? $x + 5 y + 2 z = 193 x + 2 y + z = 132 x - y - z = 0$ $x + 5y + 2z = 19" "3x + 2y+ z = 13" "2x - y - z = 0$ How should I think about this?
How do you simplify $\sqrt{75} + \sqrt{48}$ $sqrt75+sqrt48$ ?
How do you solve $\frac{1}{2} (1 + \frac{1}{x}) - 2 = \frac{1 - x}{x}$ $\frac { 1} { 2} ( 1+ \frac { 1} { x } ) - 2= \frac { 1- x } { x }$ ?
How do you solve $7 x - (x - 3) = 3 (x + 10)$ $7x - ( x - 3) = 3( x + 10)$ ?
How do solve the following linear system?: $2 x = 4 y, 3 x + 2 y - 3 = 0$ $2x = 4y, 3x+ 2y - 3 = 0$ ?
How do you solve $5 r + 3 = 2 r^{2}$ $5r+3=2r^2$ ?
How do you write the equation of the line that passes through the points (3, 6) and (5, 18) using function notation?
How do you find the quotient of $\frac{3 a}{a^{2} + 2 a + 1} \div \frac{a - 1}{a + 1}$ $(3a)/(a^2+2a+1)div(a-1)/(a+1)$ ?
What is $x$ $x$ in the equation $1000 = {(x - 8)}^{\frac{3}{2}}$ $1000 = (x - 8) ^(3/2)$ ?
How do you solve $\frac{4 x + 3}{15} - \frac{2 x - 3}{9} = \frac{6 x + 4}{6} - x$ $\frac { 4x + 3} { 15} - \frac { 2x - 3} { 9} = \frac { 6x + 4} { 6} - x$ ?
What is x if $3 x - \sqrt{2 {(x - 3)}^{2}} = 2 x + 7 - 5 x$ $3x - sqrt(2(x-3)^2) = 2x + 7-5x$ ?
How do you solve the following system: $4 x + 3 y = - 1, 4 x - 5 y - 23 = 0$ $4x+3y= -1 , 4x-5y-23=0$ ?
How do you solve $k + 3 \frac{3}{4} = 5 \frac{2}{3} - 1 \frac{1}{3}$ $k+3 3/4=5 2/3-1 1/3$ ?
How do you solve $- 27 = \frac{3 v - 6}{8} - \frac{8 v + 9}{2}$ $-27= \frac { 3v - 6} { 8} - \frac { 8v + 9} { 2}$ ?
How do you solve the system of equations $- 8 x + 5 y = - 8$ $-8x+5y=-8$ and $- 16 x - y = - 16$ $-16x-y=-16$ by elimination?
How do you solve this set of linear equations: $d + q = 14; 0.10 d + 0.25 q = 4.55$ $d+ q = 14; 0.10d + 0.25q = 4.55$ ?
How do you solve the system of linear equations $4 x + 3 y = - 2$ $4x+3y= -2$ and $2 x - 2 y = - 8$ $2x-2y= -8$ ?
How do you combine like terms in $(5 - x) (5 + x) + {(x - 5)}^{2} + (2 x - 10) (x + 3)$ $(5- x ) ( 5+ x ) + ( x - 5) ^ { 2} + ( 2x - 10) ( x + 3)$ ?
Prove that $tan 20 + tan 80 + tan 140 = 3 \sqrt{3}$ $tan20+tan80+tan140=3sqrt3$ ?
How do you multiply $\frac{3 z + 12}{8 z^{3}} \cdot \frac{16 z^{3}}{9 z + 36}$ $(3z+12)/(8z^3)*(16z^3)/(9z+36)$ ?
How do you solve the system of equations $8 x + 4 y = 84$ $8x + 4y = 84$ and $9 x - 9 y = 54$ $9x - 9y = 54$ ?
How do you factor the expression $x^{2} + 4 x - 12$ $x^2 + 4x - 12$ ?
What value of x makes the relation {(1,5),(x,8),(-7,9)} a function?
How do you solve the following system?: $3 x + 3 y = - 21, 6 x + 5 y = 18$ $3x+3y=-21 , 6x+5y=18$
What is the ionic compound name for al2o3?
How do you simplify ${(\frac{x^{\frac{1}{π}}}{y^{\frac{2}{π}}})}^{π}$ $(x^(1/pi)/y^(2/pi))^pi$ ?
How do you factor $x^{3} - 3 x^{2} = 0$ $x^3 - 3x^2 = 0$ ?
How do you find the slope of the line passing through the points (3,5) and (8,15)?
What is the slope-intercept form of the line passing through $(3, 0)$ $(3,0)$ and $(- 4, 1)$ $(-4, 1)$ ?
How do you solve the following system?: $5 x - 7 y = 22, - 6 x + 3 y = 17$ $5x-7y=22 , -6x+3y=17$
How do you factor $4 z^{2} + 33 = 24 z$ $4z^{2} + 33= 24z$ ?
How do you Factor completely $2 x^{3} + 5 x^{2} - 37 x - 60$ $2x^3+5x^2-37x-60$ ?
(-√3+1)/(√3+1) how to simplify?
Solve ${(y + \frac{2}{y})}^{2} + 3 y + \frac{6}{y} = 4$ $(y + 2/y)^2 + 3y + 6/y = 4$ ?
How do you rationalize the denominator and simplify $\frac{3 \sqrt{9}}{\sqrt{27}}$ $(3sqrt9)/sqrt27$ ?
What is $\sqrt{4 x - 3} = 2 + \sqrt{2 x - 5}$ $sqrt(4x-3)= 2+sqrt(2x-5)$ ?
How do you factor the expression $25 x^{2} + 70 x + 49$ $25x^2+70x+49$ ?
How do you find the value of ${csc}^{- 1} (2)$ $csc^ -1(2)$ ?
Find the vertex of y=-(x-1)(x+4)?
How do you solve the system of equations $4 x - 3 y = 11$ $4x-3y = 11$ and $3 x - 5 y = - 11$ $3x-5y=-11$ ?
How do you solve by factoring $30 x^{3} = 21 x^{2} + 135 x$ $30x^3 = 21x^2 + 135x$ ?
How do you simplify $\frac{x + 2}{(x - 3) (x + 1)} + \frac{x (x - 2)}{3 (x - 3)} + \frac{1 - x^{3}}{3 (x^{2} - 2 x - 3)} = - \frac{x}{3 (x + 1)}$ $\frac { x + 2} { ( x - 3) ( x + 1) } + \frac { x ( x - 2) } { 3( x - 3) } + \frac { 1- x ^ { 3} } { 3( x ^ { 2} - 2x - 3) } = - \frac { x } { 3( x + 1) }$ ?
How do you solve $\sqrt{5 x - 9} - 1 = \sqrt{3 x - 6}$ $sqrt(5x-9)-1=sqrt( 3x-6)$ and find any extraneous solutions?
How do solve the following linear system?: $3 s + 4 = - 4 t, 7 s + 6 t + 11 = 0$ $3s + 4 = -4t, 7s + 6t + 11 = 0$ ?
How do you simplify $\frac{b^{7} a^{5}}{b^{4} a}$ $\frac { b ^ { 7} a ^ { 5} } { b ^ { 4} a }$ ?
Solving a linear system? x+2y+z=2 3x+8y+z=12 4y+z=2
How do you solve $\sqrt{169 - x^{2}} + 17 = x$ $\sqrt { 169- x ^ { 2} } + 17= x$ ?
How do you factor $x^{3} - 9 x^{2} + 27 x - 27$ $x^3 - 9x^2 +27x - 27$ ?
A bicycle is originally priced at $80. The store owner gives a discount and the bicycle is now priced at $60. How do you enter the percentage discount or the cost of the bicycle?
If $x^{2} + \frac{1}{x^{2}} = 47$ $x^2+1/x^2=47$ , then $\sqrt{x} + \frac{1}{\sqrt{x}} =$ $sqrtx+1/sqrtx=$ ?
How would you balance: Na2SO3+S8 --> Na2S2O3?
How do you solve $\frac{5}{c + 23} = \frac{6}{c + 3}$ $5/(c+23) = 6/(c+3)$ ?
What percent of 7.2 is 45?
Sum of (k+1)/(10^k) where k is from 0 to infinite?
How do you solve this system of equations: $6 x + y = 7, y + z = 2, and 4 x - z = 4$ $6x + y = 7, y + z = 2 , and 4x - z = 4$ ?
How do you simplify $[(8 + 5) {(6 - 2)}^{2}] - \frac{4 x 17}{2}$ $[(8+5) (6-2)^2] - (4x17)/2$ ?
Find the integral ?
How do you solve the system of equations $y = 2 x + 8$ $y= 2x + 8$ and $3 x + 5 y = 1$ $3x + 5y = 1$ ?
How do you solve the following linear system: $- x + 4 y = - 8, - 4 x + 2 y = - 8$ $-x + 4y = -8 , -4x+2y=-8$ ?
How do you solve the following system?: $7 x - 3 y = 11, - 9 x - 24 y = - 7$ $7x -3y =11, -9x -24y = -7$
How do you solve $2 x + 5 y = 2$ $2x + 5y = 2$ and $- 3 x - y = - 3$ $-3x - y = -3$ using substitution?
How do you find the primitive of $e^{2 log x}$ $e^(2logx)$ ?
How do you solve the following linear system: $4 x - y = - 4, 3 x + 3 y = - 18$ $4x-y=-4 , 3x+3y=-18$ ?
How do you solve $x + 2 (x - 5) = 2 x + 2$ $x+ 2( x - 5) = 2x + 2$ ?
Find the value of $x^{3} - 6 x^{2} + 6 x$ $x^3-6x^2+6x$ when $x = 2 + 2^{\frac{2}{3}} + 2^{\frac{1}{3}} ?$ $x=2+2^(2/3)+2^(1/3)?$
How do you solve $\frac{1}{4} p - \frac{3}{10} = \frac{5}{6} p - 3$ $\frac { 1} { 4} p - \frac { 3} { 10} = \frac { 5} { 6} p - 3$ ?
How do you divide $\frac{2 x^{3} + 7 x^{2} - 5 x - 4}{2 x + 1}$ $(2x^3+7x^2-5x-4) / (2x+1)$ using polynomial long division?
How do you solve the following system?: $21 x + 14 y = 3, - 14 x - 59 y = - 12$ $21x +14y = 3 , -14x - 59y = -12$
How do you solve $- 9 - 7 x = - 8 (- 4 x + 2) + 7$ $-9- 7x = - 8( - 4x + 2) + 7$ ?
How to evaluate $\int_{0}^{2} (\frac{e^{2 x}}{e^{x} - 1})$ $int_0^2(e^(2x)/(e^x-1))$ ? Is there a way of not directly doing substitution?
How do you find the slope of (-7,-3), (17,4)?
Determine whether 16x^2-24x+9 is a perfect square, if so factor it, if not explain why.?
Find the general solution of $\frac{d y}{d x} = \frac{1 + x}{x - 1}$ $dy/dx = (1+x)/(x-1)$ ?
How do you simplify $sin ({sin}^{- 1} x + {cos}^{- 1} x)$ $sin(sin^(-1)x + cos^(-1)x)$ ?
How do you solve $∣ ∣ x^{2} + 6 x ∣ ∣ = 3 x + 18$ $abs(x^2+6x)= 3x+18$ ?
Is it possible to factor $y = 5 x^{2} - 9 x - 2$ $y=5x^2-9x-2$ ? If so, what are the factors?
How do solve the following linear system?: $2 x + 5 y = 1, - 6 x - 2 y = - 8$ $2x+5y=1 , -6x-2y=-8$ ?
How do you find the quotient of (x^3+6x^2-x-30) divided by (x^2+8x+15)?
How do you integrate $\int (csc 2 x) d x$ $int (csc2x)dx$ ?
How do you factor $x^{3} - 2 x^{2} + x - 2$ $x^3-2x^2+x-2$ ?
How to solve $x^{3} - 3 x - 2 = 0$ $x^3-3x-2=0$ ?
How do you subtract $(4 - 6 d^{2}) - (9 d^{2} - 7)$ $(4- 6d ^ { 2} ) - ( 9d ^ { 2} - 7)$ ?
How do you solve $2 x + y = 7$ $2x+y=7$ and $x + 2 y = 2$ $x+2y=2$ ?
How do you solve $\frac{3}{x - 3} + \frac{4}{x} + \frac{1}{3} = \frac{x}{x - 3}$ $3/(x-3) + 4/x +1/3 = x/(x-3)$ and find any extraneous solutions?
How do you find $\int \frac{x^{2} + 1}{{(x + 1)}^{3}} d x$ $int (x^2+1)/(x+1)^3dx$ using partial fractions?
How do you integrate $\int \frac{1}{x^{4} \sqrt{x^{2} + 3}}$ $int 1/(x^4sqrt(x^2+3))$ by trigonometric substitution?
How do you add the rational expressions $\frac{2 x - 1}{(x - 3) (x + 2)} + \frac{x - 4}{x - 3}$ $(2x-1)/((x-3)(x+2))+(x-4)/(x-3)$ ?
How do you find the integral of $\int x^{3} \cdot \sqrt{x^{2} + 4} d x$ $int x^3 * sqrt(x^2 + 4) dx$ ?
How do you solve $15 x^{2} = 7 x + 2$ $15x^2=7x+2$ ?
How do you combine the system of equations $- 8 x + 8 y = 0$ $-8x + 8y = 0$ and $- 9 x + 4 y = 5$ $- 9x + 4y = 5$ ?
How do you integrate $\int \frac{x^{2}}{\sqrt{x^{2} + 1}}$ $int x^2/sqrt(x^2+1)$ by trigonometric substitution?
How do you solve $\frac{1}{x - 1} + \frac{3}{x + 1} = 2$ $1/(x-1)+3/(x+1)=2$ ?
How do you solve the following linear system: $x = 1 - y, y = 2 x - 2$ $x=1-y , y=2x-2$ ?
What is the vertex of $y = 3 {(x + 5)}^{2} - 30 x - 25$ $y= 3(x+5)^2-30x-25$ ?
How do you solve the system of equations $- 4 x + 3 y = - 33$ $-4x + 3y = - 33$ and $5 x + 2 y = 24$ $5x + 2y = 24$ ?
$\frac{tan x + sec x - 1}{tan x - sec x + 1} = tan x + sec x$ $(tan x+sec x -1)/(tan x -sec x +1 ) =tan x+ sec x$ ?
Sec thita -1÷ sec thita +1 =(sin thita ÷ 1+ costhita)^2 ?
How do you divide $\frac{x^{3} + 2 x^{2} - 15 x}{x^{2} + 5 x} \div \frac{x^{3} - 6 x^{2} + 9 x}{x^{2} - 3 x}$ $\frac { x ^ { 3} + 2x ^ { 2} - 15x } { x ^ { 2} + 5x } -: \frac { x ^ { 3} - 6x ^ { 2} + 9x } { x ^ { 2} - 3x }$ ?
How do you solve the system 5x – 3y = 13 and 4x – 3y = 11?
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