$-2x\left(x^2+7x-6\right)+3\left(x^3-5x-1\right)$

$\frac{dy}{dx}\left(\frac{y^2-1}{x^2-1}\right)$

$1+-10\cdot8$

$x+4=-2$

$9ab+10a^2\:b-8ab^2+4a^2\:b^2$

$\left(\csc\left(x\right)\right)\left(1-\cos^2\left(x\right)\right)\left(\cot\left(x\right)\right)$

$\int\frac{\sqrt{t}}{t+1}dt$