$\sqrt{36z^2}$
$\frac{x\sqrt{8}}{\sqrt{2}}$
$36x^2-48x$
$\lim_{x\to0}\left(\frac{3-3\cos\left(3x\right)}{cos\left(x\right)-7cos\left(7x\right)}\right)$
$100a^2b^3c-150ab^2c^2+50ab^3c^3-20abc^2$
$35-2\cdot4^2-\left(2^3-\frac{10}{2}\right)$
$\sin^210x$
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