$45\cdot14$
$\cot^2\left(x\right)+\csc\left(x\right)-19$
$\left(a+b\right)\left(a-b\right)\left(a^2+b^2\right)+b^4$
$-3\left(v-6\right)-v$
$\frac{8-a^3b^3}{8-ab}$
$\frac{x^3+3x^2+3x+1}{x}$
$\left(m^2n-3n\right)^3$
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