Let f(x)=2x^2+3x-9, g(x)=5x+11, h(x)=3x^2+1. Find f(x)-g(x)+h(x)
Just add and subtract them as indicated
2x^2 + 3x -9 - 5x - 11 + 3x^2 +1 gather 'like' terms
5x^2 -2x -19
+36916 
