Thread: Simplify

[x - 7x(squaeroot(x))] / squaeroot(x)

$\displaystyle \frac{x-7x\sqrt{x}}{\sqrt{x}}= \frac{x}{\sqrt{x}}-\frac{7x\sqrt{x}}{\sqrt{x}}= \frac{x}{\sqrt{x}}-7x$

Use index laws on the first term to finish.