SOLUTION: What are the zeros of f(x)=x-40+6x^2 ? I think the answer is (-16,15) but I'm not sure.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: What are the zeros of f(x)=x-40+6x^2 ? I think the answer is (-16,15) but I'm not sure.      Log On


   

Question 125322: What are the zeros of f(x)=x-40+6x^2 ? I think the answer is (-16,15) but I'm not sure.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
6x^2+x-40 factors into (3x+8)(2x-5)

if (3x+8)(2x-5)=0, then x=-8/3 and x=5/2