Question

What are the factors of the polynomial a^2 + a - 2? Select all that apply.

A) a - 1
B) a + 2
C) a + 1
D) a - 2

Answer 1

A) a - 1 and B) a + 2

Explanation:

`a^2+a-2=a^2+2a-a-2=a(a+2)-1(a+2)=(a+2)(a-1)`