## Precalculus: Mathematics for Calculus, 7th Edition

$x(-2x^2+1)$
$Factor$ $out$ $the$ $common$ $factor:$ $-2x^3+x$ The common factor from $-2x$ and $x$ is $x$. $\frac{-2x^3}{x} = -2x^2$ $\frac{x}{x} = 1$ $= x(-2x^2+1)$