How do you solve #-10x^2 + 30x - 20 = 0.#?
2 Answers
May 27, 2018
Explanation:
given,
Multiplying both sides with
we get,
By Using quadratic formula
we get,
Thus we get the value of
May 27, 2018
#x=2#
#x=1#
Explanation:
Given -
#-10x^2+30x-20=0#
#-10(x^2-3x+2)=0#
Dividing both sides by 10 we get
#x^2-3x+2=0#
#x^2-x-2x+2=0#
#x(x-1)-2(x-1)=0#
#(x-2)(x-1)=0#
#x-2=0#
#x=2#
#x-1=0#
#x=1#