Question

2(x +7)^2 = 64 what is x?

Answer 1

You need to isolate x. So start by dividing by 2.

Answer 2

that would be (x + 7) = 32 rite?

Answer 3

It would be \[(x+7)^2=32\]

Answer 4

yeah ok

Answer 5

so where do i go from there>

Answer 6

Well you want to get x by itself and it's in a quantity that is squared. So you need to undo the square...

Answer 7

would that be \[x + 7 = 4\sqrt{2}\]

Answer 8

You bet :) Now just get x by itself!