Question

Given `f(x)=2x^2+11x-21` and `g(x)=2x-3` how do you determine `y=f(x)-g(x)`?

Answer 1

`y=2x^2+9x-18`

Explanation:

`y=f(x)-g(x)=2x^2+11x-21-(2x-3)=`

`2x^2+11x-21-2x+3=2x^2+9x-18`

so : `y=2x^2+9x-18`