$\int\:\frac{\left(3x^2+x-2\right)}{\left(x-1\right)\left(x^2+1\right)}dx$

$\frac{du}{dy}=uy$

$\left(x+5\right)^2\left(x-5\right)^2$

$\frac{0.005}{2}$

$\left(3x^2-1\right)\:^2\:$

$1-\left(5-3+2\right)-\left|5-\left(6-3+1-2\right)\right|$

$\frac{\cos\left(x\right)\cdot\sin^2\left(x\right)+\cos^3\left(x\right)}{\sin\left(x\right)}$