$x^2-10x+20$
$x^2+11x+11$
$3^3-3$
$x^2-11x-2\:$
$\pi\sqrt{5}\cdot\infty$
$\frac{\left(\frac{1}{\sin\left(x\right)\cos\left(x\right)}\right)}{\left(\frac{1}{\cos\left(x\right)}\right)}$
$\int_{-1}^1\left(y^3-y\right)dy$
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