Question

the square root of x+8 is = x-4..

Answer 1

\[\Large\rm \sqrt{x+8}=x-4\]Hey Grace :)
Trying to solve this for x?

Answer 2

Hmm how bout we square each side?\[\Large\rm \left(\sqrt{x+8}\right)^2=\left(x-4\right)^2\]\[\Large\rm x+8=(x-4)^2\]Do you see how that will help us?

Answer 3

HI!!

Answer 4

did you get this? there is another way to do it also