### Home > AC > Chapter 13 > Lesson 13.PSF1-S > Problem2-8

2-8.

If $f(x)=3x^2+5x-2$, show that $f(x+2)=3x^2+17x+20$

$f(x+2)=3(x+2)^2+5(x+2)-2$

Distribute and simplify on the right side of the equation.