Question

What is the solution set to the following equation?

Answer 1

\[4x^2-36=0 \]

Answer 2

Myanswer to this is (3,-3)

Answer 3

Start be dividing both sides by 4.
Then factor. You have a difference of squares.
x^2 - 9 = 0
(x + 3)(x - 3) = 0
x + 3 = 0 or x - 3 = 0
x = -3 or x = 3
You are correct.

Answer 4

Yeah what I did. Thanks.