SOLUTION: Hello! I have to find a polynomial function that has the given zeros: 0,4,10. This would be my answer x^3-5x^2+30x but it says its wrong but I dont know why. Thank you

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: Hello! I have to find a polynomial function that has the given zeros: 0,4,10. This would be my answer x^3-5x^2+30x but it says its wrong but I dont know why. Thank you      Log On


   

Question 976863: Hello!
I have to find a polynomial function that has the given zeros: 0,4,10.
This would be my answer x^3-5x^2+30x but it says its wrong but I dont know why.
Thank you
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Start simply. Your factored form of polynomial with THOSE zeros can be %28x-0%29%28x-4%29%28x-10%29.

Multiply to get into general form.

x%28x-4%29%28x-10%29

x%28x%5E2-14x%2B40%29----------you see enough?

highlight%28x%5E3-14x%5E2%2B40x%29