Question

Factor this expression completely and then place the factors in the proper location on the grid.

Answer 1

For this case, we have to define the difference of squares:

$a ^ 2-b ^ 2 = (a + b) (a-b)$

We then have the following expression:

$x ^ 2 - 9$

From here, we observe that:

$a = x\\b = 3$

Therefore, replacing values we have:

$x ^ 2 - 9 = (x + 3) (x-3)$

Answer:

The factorization of the given expression is:

$x ^ 2 - 9 = (x + 3) (x-3)$

Answer 2

X^2 - 9 =
(x + 3)(x - 3)