SOLUTION: I got a problem that I don't even know where to begin at. Maybe someone can help me out and explain by showing me how to do this problem. Simplify: 2x(3-5x-2x^2) - (10x - 5x^

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I got a problem that I don't even know where to begin at. Maybe someone can help me out and explain by showing me how to do this problem. Simplify: 2x(3-5x-2x^2) - (10x - 5x^      Log On


   

Question 10076: I got a problem that I don't even know where to begin at. Maybe someone can help me out and explain by showing me how to do this problem.
Simplify: 2x(3-5x-2x^2) - (10x - 5x^3)

Thanks
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify:
2x%283-5x-2x%5E2%29+-+%2810x-5x%5E3%29 Apply the distributive property to the 1st set of parentheses.
%286x-10x%5E2-4x%5E3%29+-+%2810x-5x%5E3%29 Now collect like-terms.
%285x%5E3-4x%5E3%29+-+10x%5E2+%2B+%286x-10x%29 Simplify.
x%5E3+-+10x%5E2+-+4x