SOLUTION: Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. If a zero has multiplicity greater than one, only enter the root once.) P(x) = 20x^3 + 8x

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. If a zero has multiplicity greater than one, only enter the root once.) P(x) = 20x^3 + 8x      Log On


   

Question 909928: Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. If a zero has multiplicity greater than one, only enter the root once.)
P(x) = 20x^3 + 8x^2-5X-2
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
20x^3 + 8x^2-5x-2
x^3 + 8/20x^2-5/20x-2/20
x^3 + 4/10x^2-1/4x-1/10
x^3 + .4x^2-.25x-.1
1/2, -1/2 , -2/5
.5,-,5,-.4
X is not the same as x