SOLUTION: If you're given a function and one of it's zeros, how do you find the other ones? Ex. p(x)=x^3+2x^2-3x+20; zero= -4

Algebra ->  Rational-functions -> SOLUTION: If you're given a function and one of it's zeros, how do you find the other ones? Ex. p(x)=x^3+2x^2-3x+20; zero= -4      Log On


   

Question 45491: If you're given a function and one of it's zeros, how do you find the other ones?
Ex.
p(x)=x^3+2x^2-3x+20; zero= -4
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
(x^3 + 2x^2 - 3x + 20)/(x + 4)
x^2 - 2x + 5
Then, you use quadratic formula.