Factor the expression. x2 - x - 42 (x - 7) (x - 6) (x - 7) (x + 6) (x + 7) (x - 6) (x + 7) (x + 6)

Question

Mathematics

Esther Rhodes

1 August, 06:24

Factor the expression. x2 - x - 42 (x - 7) (x - 6) (x - 7) (x + 6) (x + 7) (x - 6) (x + 7) (x + 6)

+4

Answers (2)

Know the Answer?

Elisa Trevino · Answer 1

Answer: (x-7) (x+6)

Step-by-step explanation:

x2 - x - 42

Which two numbers add up to - 1 and multiply to - 42? Well it's - 7 and 6, so the answer is (x-7) (x+6).

Rhianna Welch · Answer 2

(x - 7) x + 6).

Step-by-step explanation:

x^2 - x - 42

6 * - 7 = 42 and 6 - 7 = - 1 so the factors are:

(x - 7) x + 6).