How do you find the sum of $(x + 3)$ $(x+3)$ and $(- x - 4)$ $(-x-4)$ ?

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Answer 1 · 2016-12-04T13:44:30

$- 1$ $-1$

$(x + 3) + (- x - 4)$ $color(blue)((x+3)+(-x-4)$

Remove the brackets

$\to x + 3 - x - 4$ $rarrx+3-x-4$

Add the $x's$

$rarrcolor(red)(x)+3color(red)(-x)-4$

$rarr3-4$

$color(green)(rArr-1$

How do you find the sum of (x+3)(x+3)(x+3) and (-x-4)(−x−4)(-x-4)?