Answer: 2x^2-2x+10
Explanation:
since f(x) = x^2+2x-1, and you have to find 2 f(x), you would put it as 2(x^2+2x-1)
Solving this would give you 2x^2+4x-2
you do the same thing with g(x) but put -3 un front of the equation. And then you add like terms
I hope this helped :)