Question

If f(x)= 3x^2-2x+4.and g(x)= 5x^2 +6x -8find(f-g)(x)

Answer 1

-2x^2-8x+12

Explanation:

f(x)= 3x^2-2x+4

g(x)= 5x^2 +6x -8

(f-g)(x) = 3x^2-2x+4-(5x^2 +6x -8)

Distribute the minus sign

(f-g)(x) = 3x^2-2x+4-5x^2 -6x +8

Combine like terms

-2x^2-8x+12