Question

x^2 – x – 42

A. (x – 7)(x + 6)

B. (x + 7)(x + 6)

C. (x + 7)(x – 6)

D. (x – 7)(x – 6)

Answer 1

Do you know how to use FOIL?

Answer 2

yes, is that what I have to do?

Answer 3

That's not necessarily the way to solve it if it's not multiple choice, but you can use FOIL to try each of those answers and see which ones works.

Answer 4

ohh okayyy thanksss

Answer 5

mm I would preffer to GET the answer, not just see which is the correct one.
Do you remember the quadratic formula?

Answer 6

i already got it, thanks though