SOLUTION: Find the zeros of the polynomial f(x)= x^3+x^2-20x
Algebra
->
Quadratic Equations and Parabolas
->
Quadratic Equations Lessons
->
Quadratic Equation Lesson
-> SOLUTION: Find the zeros of the polynomial f(x)= x^3+x^2-20x
Log On
Quadratics: solvers
Quadratics
Practice!
Practice
Answers archive
Answers
Lessons
Lessons
Word Problems
Word
In Depth
In
Click here to see ALL problems on Quadratic Equations
Question 962945
:
Find the zeros of the polynomial
f(x)= x^3+x^2-20x
Answer by
LinnW(1048)
(
Show Source
):
You can
put this solution on YOUR website!
0= x^3+x^2-20x
0= x(x^2+x-20)
0= x(x+5)(x-4)
So x = 0, or x = -5 or x = 4