Question

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

Answer 1

Answer:

x=-4

Step-by-step explanation:

Move everything to one side and combine like-terms

x²+8x+16

Factor

(x+4)²

x=-4

Answer 2

Answer:

x=-4

Step-by-step 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!