Answer
3x^2-14x-24
Explanation:
you distribute x-6 to 3x+4
first with x so it will be like
x(3x) x(4) =3x^2+4x
then you continue with -6 that is like
-6(3x) -6(4)= -18x-24
then you combine by terms, like
3x^2
4x-18x
-24
once you combine them you will have your answer which will be:
3x^2-14x-24