Which model shows the correct factorization of x2-x-2

Question

asked Sep 15, 2021 79.8k views

2 Answers

Isammoc · Answer 1 · 2021-09-18T11:21:48+0000

Answer:

The answer is (x-2)(x+1).

Explanation:

You have to elaborate the expression :

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

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

Next you can take out the common terms(factorize) :

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

x(x + 1) - 2(x + 1)

(x - 2)(x + 1)