## Precalculus: Mathematics for Calculus, 7th Edition

$x^{2}-x$ or $x(x-1)$
Transform square roots into exponents: $x^{3/2}(x^{1/2}-\frac{1}{x^{1/2}})$ Convert the fraction: $x^{3/2}(x^{1/2}-x^{-1/2})$ Work out the exponents: $x^{4/2}-x^{2/2}$ Simplify: $x^{2}-x$