$\int\left(x^2-4x+4\right)e^{x-2}dx$

$\left(2y-4z\right)\left(2y-3z\right)$

$36y^2-81n^2$

$\int e^x\left(1-e^x\right)\left(1+e^x\right)^{10}dx$

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

$3x^2+2x^2+x+2$

$\int\frac{\tan\left(\log\left(x\right)\right)}{x}dx$