Question

Solve the equation (x+7)^2=36

Answer 1

(x+7)^2=36
(x+7)(x+7)=36
x^2+14x+49=36
x^2+14x+13=0
(x+13)(x+1)=0
.°.x=-13/ x=-1

Think its like this

Answer 2

1) Get rid of the square. You have to square root both sides.
2) Subtract 7 from both sides.
3) x= -1