Factor completely x^2 − 36. (x + 6)(x − 6) (x + 6)(x + 6) (x − 6)(x − 6) Prime

Question

asked Sep 24, 2019 140k views

2 Answers

Alexandre Victoor · Answer 1 · 2019-09-30T14:55:11+0000

ANSWER

(x + 6)(x - 6)

EXPLANATION

The given expression is

${x}^(2) - 36$

We write to obtain;

${x}^(2) - {6}^(2)$

Recall that;

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

We apply this difference of squares formula to get;

${x}^(2) - {6}^(2) = (x - 6)(x + 6)$

The correct choice is A