Hi please help me?

2 ⤊

Which of the follwing is a factor of the polynomial xsquare-x-20

2006-11-28 07:53:34 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Your equation:
x² - x - 20

Factoring:
(x - 5)(x + 4)

So (x - 5) and (x + 4) are factors.

2006-11-28 07:56:39 · answer #1 · answered by Puzzling 7 · 2⤊ 0⤋

x^2-x-20

look for 2 numbers wherein their sum is -1 and their product is
-20.

that would be -5 and 4

then put that in an equation

(x-5)(x+4)

2006-11-29 21:42:20 · answer #2 · answered by lois lane 3 · 0⤊ 0⤋