$x^4-2x^3-18x^2+6+36$
$\int\cot^2\left(x\right)\sec^4\left(x\right)dx$
$\int\left(cos^4\left(6x\right)sin\left(6x\right)\right)dx$
$3x^2+4x+xy=1$
$-5\left(v+4\right)+32<5\left(3-v\right)$
$\frac{x^3-3x^2+4x-5}{x+2}$
$6x^3\:\left(3x^4-5x^3+7\right)\:$
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