$\frac{x+11}{\left(2x+1\right)+\left(3x+2\right)}$
$2x^2+5x-63$
$\left(-1\right)\left(-6\right)\left(-5\right)\left(-3\right)$
$-6x-8>-3x-7$
$7\cdot\left(-52\right)+\left(-7\right)\cdot\left(-2\right)$
$2sin^2\left(\theta\:\right)+cos^2\left(\theta\:\right)$
$x^3-6x^2-5x^3+2x^2$
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