Question

PLEASE HELP :)
Let
f(x)=3·x2−4·x
. Find
f(x+h)−f(x)/h

if
h≠0
Simplify your answer.

Answer 1

3(x+h)^2-4(x+h) - (3x^2+4x)/h

3x^2+6xh+3h^2-(3x^2+4x)/h

Answer 2

what / how do you simplify that?

Answer 3

that i could arrive after that i can't travel sorry