$\int\frac{x-5}{\left(x-1\right)\left(x+1\right)}dx$

$\int\left(7\cos\left(x\right)-\frac{2}{3}\sin\left(x\right)+4e^x\right)dx$

$\frac{d^2}{dx^2}\left(x^2+xy+y^2=4\right)$

$\left(\frac{1}{6}x^3\right)^2-2\left(\frac{3}{4}\:y^3\right)^2$

$-2+\frac{6}{2}$

$\left(3m-\sqrt{2}\right)^2$

$370+820+1550$