Let f(x)=2x^2+3x-9, g(x)=5x+11, and h(x)=-3x^2 +1. Find f(x)-g(x)+h(x)
f ( x) - g(x) =
(2x^2 + 3x -9 ) - ( 5x + 11) = 2x^2 - 2x -20
Add h(x)
(2x^2 - 2x - 20 ) + (3x^2 + 1) = 5x^2 -2x - 19
+130 
