$\frac{\left(x+1\right)^3}{\left(x-1\right)^3}$
$\int\frac{7}{\left(7x-5\right)^2+4}dx$
$\csc-\cos\cdot\cot=\sin^2$
$\left(5\right)\cdot\left(-2^2\right)\cdot\left(-3^3\right)-\left(-4\right)\left(-4\right)\cdot\left(-1\right)\cdot\left(5\right)+\left(3\right)\cdot\left(5\right)\cdot\left(-4\right)\cdot\left(3\right)$
$\lim_{x\to\infty}\left(-3x^2+5x-7\right)$
$\lim_{x\to2}\left(\frac{e^x-e^2}{x-2}\right)$
$\left(x\:+\:y^3\right)\left(\:x\:\:-\:y\right)^3$
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