$1+\cot\left(x\right)^2=\csc\left(x\right)^2+2\cot\left(x\right)$
$-10x^2-40x+30$
$\sqrt{100x^2y^8z^4}$
$78^2-9^2$
$\left(-0.999\right)^2-5\left(-0.999\right)$
$\int\frac{5}{\left(x+4\right)\left(x^2-1\right)}dx$
$12m^2+3m^6$
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