Question

State true or false: x ²-9=(x+3)(x- 3).

Answer 1

True

Explanation:

x² - 9 = (x+3)(x- 3) True or False

Let's distribute first

(x + 3)(x - 3)

= x² - 3x + 3x - 9

= x² - 9

So, we have

x² - 9 = x² - 9

This is true, since they are equal.