Question

HELLPPPPPPPP I NEED THIS FOR A TESTTTTT

What values of x make the equation true 2x^2+5-17=x^2+7 ?

a. x^2-6= 91

b.x^2(x-6)= 91

c. x(x+6) = 91

d.x(x-6)= 91

Answer 1

0 and 6

Explanation:

2x²-x²=12+7

x²=19

x²-19=0

x(x-6)=0

x=0. or. x-6=0

x=6