SOLUTION: I need to find what is (f-g)(x) by hand and having difficulty; f(x)=5x^3+3x-8 and g(x)=2x^3-x^2+7

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: I need to find what is (f-g)(x) by hand and having difficulty; f(x)=5x^3+3x-8 and g(x)=2x^3-x^2+7      Log On


   



Question 1077351: I need to find what is (f-g)(x) by hand and having difficulty;
f(x)=5x^3+3x-8 and g(x)=2x^3-x^2+7

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
(f-g)(x) means same thing as f(x)-g(x).
You have the individual functions, so just substitute and simplify.