Question

what are the roots of the x in the equation (x+2)(x-2)=12?
A) 2,-2
B) 4, -4
C) -2,-2
D) -4,-4

Answer 1

Its C

Answer 2

I meant D**

Answer 3

You can do this by simply interpreting the answers into the equation.

(-4 +2) (-4 - 2) = (-2)(-6) = 12

Answer 4

Or you could've done it like...

(x + 2) (x - 2) .... 2 * -2 = -4 ... x = -4