Question

Factor the following:

36x^2 - 49

What is the vocabulary word describing the factors that result in this answer?

Answer 1

(6x - 7)(6x + 7).

The difference of 2 squares.

Explanation:

Note that 36x^2 and 49 are perfect squares.

36x^2 - 49

= (6x - 7)(6x + 7).

Answer 2

(6x+7)(6x-7)

Explanation:

This is an example of "Difference Of Squares".