What is the factored form of the polynomial? x2 + 9x +20 A. (x - 4)(x - 5) B.(x-2)(x - 10) C.(x + 4)(x+5) D.(x + 2)(x + 10)

Question

asked Mar 19, 2021 150k views

1 Answer

Geordie · Answer 1 · 2021-03-23T21:06:12+0000

Answer:

C. (x + 4)(x + 5).

Explanation:

We need 2 numbers whose product is + 20 and whose sum is + 9.

They are + 5 and + 4 , so

x2 + 9x +20

= (x + 4)(x + 5).