SOLUTION: Good afternoon, Can someone please help me solve this question? Thank you in advance Suppose that f(x) =x^2-x and g(x)=2x+1. What is f*g(x). When I tried to solve it I got 2x^3+

Algebra ->  Rational-functions -> SOLUTION: Good afternoon, Can someone please help me solve this question? Thank you in advance Suppose that f(x) =x^2-x and g(x)=2x+1. What is f*g(x). When I tried to solve it I got 2x^3+      Log On


   

Question 884644: Good afternoon,
Can someone please help me solve this question? Thank you in advance
Suppose that f(x) =x^2-x and g(x)=2x+1. What is f*g(x). When I tried to solve it I got 2x^3+x^2+x, am I correct? Please get back to me when you can. Again, thank you in advance.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
No, your signs are off.
%28x%5E2-x%29%282x%2B1%29=%28x%5E2-x%292x%2B%28x%5E2-x%29
%28x%5E2-x%29%282x%2B1%29=%282x%5E3-2x%5E2%29%2B%28x%5E2-x%29
%28x%5E2-x%29%282x%2B1%29=2x%5E3-x%5E2-x