$\left(\sqrt[2]{x}+3\sqrt[3]{y}\right)^2$
$732+\left(-485\right)$
$30\cdot1$
$e^{\frac{ln\left(cos\left(2x\right)\right)}{2}}=\frac{cos\left(2x\right)}{2}$
$25x^2\:+\:kx\:+\:4\:=4$
$3c=18$
$\int\left(\frac{1}{e^x-e^{-x}}\right)dx$
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