Question

Factor p2 - 8p - 20.

(p - 4)(p + 5)
(p + 10)(p - 2)
(p - 10)(p + 2)

Answer 1

You have to find 2 numbers that when multiplied give you -20 and when added give you -8.

(p-10)(p+2)
p^2 +2p -10p -20
p^2 -8p -20

Answer 2

so what is the answer?

Answer 3

did you see what i did? If you FOIL all of the options one of them is going to give you the original equation.

Answer 4

The answer was provided in the very first response to your post. Look and you will see!