Question

What are the zeros of the polynomial function: f(x) = x3 + x2 – 20x ?

0, –5, –4

0, –5, 4

0, 5, –4

0, 5, 4

Answer 1

@KirbyLegs could you help me out again please?

Answer 2

If i get a medal . . .jk XD

Answer 3

already gave you it lol

Answer 4

okay lol

Answer 5

HI :D

Answer 6

ok could you explain how to find out the zeros cause idk how thats done

Answer 7

The answers are 0,5, and -4. I'll show you why:

Answer 8

hi @sourwing

Answer 9

First you should simplify

x(x^2 + x - 20)

Answer 10

You can then do the opposite of FOIL

x(x+5)(x-4)

x=0

x+5=0
x=-5

x-4=0
x=4

Answer 11

Oh i see thank you. Could you help with another question? :) I'll give you a medal lol