What is 3(f(x+2)) if x3 +2x2 -4?

Question

3(f(x+2)) if x3 +2x2 -4

(Algebra 2 question)

Answer 1

you plug in x+2  anywhere x appears on the equation x3+2x2-4. then multiply that by 3.

Answer 2

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

3(x+3)^3 + 6(x+2)^2 - 12

multiply out if you feel like it