$4w^2+2wz$
$\left(7x-2\right)\left(2x+4\right)$
$\int_{-2}^2\left(\sqrt{4-y^2}\right)dy$
$\cos\left(60+x\right)=\sin\left(30-x\right)$
$\left(n+3\right)\left(n+5\right)\left(mn+n^2\right)$
$\frac{x^2+7x+10}{x+3}$
$\left(\frac{4a^{x+4}b^{m-1}}{-2a^{x+2}b^{m-4}}\right)$
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