Question

What are the factors of x2-x-6? Check all that apply

X-6
X+6
X-3
Ox-2
Ox+2

Answer 1

f(x) = x^2 - x - 6 = x^2 + 2x - 3x - 6 = x(x + 2) - 3(x + 2) = (x - 3)(x + 2)

=> x - 3 and x + 2 are factors of f(x).

Hope this helps!

:)