$2\:\:cot\:x\:+\:1\:=\:0$
$6x^7-30x^3+2x^2$
$49.7865671\pi24.5-.041003512\pi24.5^2+.038416\pi24.5^3$
$cos\left(y\right)^2$
$-2\left(3x-2\right)-3\left(4x+5\right)$
$-93\cdot31$
$\frac{x^4-3x^2+4}{x}$
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