$\left(x+2y+4\right)dx+\left(2x+3y+7\right)dy=0$

$\left(p+9\right)\left(p-12\right)$

$\int\frac{8x^2+7x+5}{\left(x^2-1\right)\left(6x+x-2\right)}dx$

$\int\frac{1}{x^2-4x+5}dx$

$\frac{d}{dx}y^2cos\left(sinh\left(x\right)\right)$

$\sec^2\left(1.570\right)$

$\int\frac{2}{x^6}\:dx$