Question

Factor the trinomial: x^2 + 22x + 72






A.

(x + 2)(x + 11)





B.

(x + 4)(x + 18)





C.

(x + 2)(x + 36)





D.

(x + 6)(x + 12)

Answer 1

What values in (x+b)(x+b) , add up to 22, and multiply to 72? , What do you think the factored form is?

Answer 2

go to www.mathway.com and you can type it in and it'll do it for you

Answer 3

what multiplies to 72 and adds to 22

Answer 4

1 72
2 36
3 24
4 18 4+18 =22 4*18=72 (x+4)(x+18)