## Precalculus: Mathematics for Calculus, 7th Edition

$5x^{3}+3x^{2}-10x-2$
Distribute the negative sign: $=5x^{3}+4x^{2}-3x-x^{2}-7x-2$ Collect the like terms: $=5x^{3}+(4-1)x^{2}+(-3-7)x-2$ $=5x^{3}+3x^{2}-10x-2$