SOLUTION: How do I do 6x to the 3rd power minus 150x=0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: How do I do 6x to the 3rd power minus 150x=0      Log On


   

Question 439844: How do I do 6x to the 3rd power minus 150x=0
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
6x%5E3-150x=0, first we factor out 6x: 6x%28x%5E2-25%29=0, factoring further
6x%28x-5%29%28x%2B5%29=0. Now we set to zero three factors of this product:
6x=0=> x=0; x-5=0 => x=5; x+5=0 => x=-5.
Answer:The roots of this equation are: {-5, 0, 5}.