$\left(2x^2-5x\right)^3$

$-12x+10+7x-4$

$\left(56a+36\right)^2$

$\int\frac{y}{\left(y+2\right)\left(3y-1\right)}dy$

$\int\left(\frac{x^2-x+1}{x\left(x-1\right)\left(x-8\right)\left(x^2+3\right)}\right)dx$

$\frac{1}{1+y^2}\frac{dy}{dx}=x$

$\int\sin^2\left(3x\right)\cos^4\left(3x\right)dx$