$4t^2-28t-480$
$45.6\left(1.89\right)$
$\lim_{x\to\infty}\left(\sin^2\left(2x\right)\cot\left(4x\right)\right)$
$\left(\frac{1}{3}z+2\right)\left(\frac{1}{3}z-2\right)$
$\int\frac{x+2}{x^2-x-2}dx$
$\int4x^4e^{-2x}\:dx$
$2182\cdot32$
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