Question

If f(x)=-x^2x+6x-1 and g(x)=3x^2-4x-1, find (f-g)(x)

Answer 1

(f - g)(x) = -2x^2 + 10x

x^2 + 6x - 1 - (3x^2 - 4x - 1)

Distributive -1 to each term in parentheses.

x^2 + 6x - 1 - 3x^2 + 4x + 1

Combine like terms.

-2x^2 + 10x