$2x+2-8x+3$
$\tan\left(x\right)=\frac{-12}{5}$
$11-33-\left(-31\right)$
$8-7\left(-2+x\right)+x$
$5x^2+4x^2+3$
$2x^3+5-3q-2x^3-3x^2+4x$
$\left(x-4\right)-\left(x+3\right)$
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