$5sin^2x-6\csc^2\left(x\right)+5\cos^2\left(x\right)+6\cot^2\left(x\right)$
$\int\:tan7xdx$
$4x^3\cdot2x^2-3x^2\cdot4x\cdot5x^2$
$\left(2x^2-6x\right)\left(3x-8\right)$
$\left[-4517+\:\left(-5465+123\right)\right]-1419$
$12b^4+18b^6$
$5+3y^2=2x^3$
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