$\left(3x^3\:+\:5x^2-\:x\right):\left(x\:+\:2\right)\:$
$.7\:+\:0.05$
$10x^2-90$
$w^2+z^2=5$
$\frac{dy}{dx}=4\cdot x^{-2}+6\cdot x^{-1}-6$
$\log\left(4\right)x+3\log\left(x\right)$
$3x-1>7-x$
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