$64x^2-160xy+100y^2$
$-\int\frac{\sin^2\left(x\right)}{\cos\left(x\right)}dx$
$3\cot\left(x\right)+2=5$
$2x-3=53$
$\left(z+1\right)\left(z+2\right)\left(z\right)$
$\frac{3}{2}\left(49x\right)$
$\left(3m-11n\right)\left(3m-11n\right)$
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