## Algebra 1: Common Core (15th Edition)

$-12x^{3}+120x^{2}-255x+6022$
Add vertically. Line up like terms. Then add the coefficients. $\begin{array}{lllll} -12x^{3} & +106x^{2} & -241x & +4477 & \\ & +14x^{2} & -14x & +1545 & \\ -- & -- & -- & -- & add\\ -12x^{3} & +120x^{2} & -255x & +6022 & \end{array}$