Question

2x^2+8x = x^2-16
Solve for x

Answer 1

x=-4

Explanation:

Move everything to one side and combine like-terms

x²+8x+16

Factor

(x+4)²

x=-4

Answer 2

x=-4

Explanation:

`2x^2+8x=x^2-16`

Move everything to one side:

`x^2+8x+16=0`

Factor:

`(x+4)^2=0`

By the zero product rule, x=-4. Hope this helps!