$\int\frac{x^2}{\left(x^2+2x+2\right)}dx$

$x^3+6x^2-x+2+2x^2+4x-3\cdot\:\:x^3+6x^2-x+2-2x^2+4x-3$

$y=200\left(\frac{1}{2}\right)^{\frac{t}{t\left(\frac{1}{2}\right)}}$

$36\log_{36}\left(216\right)$

$\left(60\left(-\frac{1}{10}z^6+\frac{1}{12}\right)\right)^2$

$\lim_{x\to3}\left(\ln\left(\frac{\left(x-3\right)^2}{x^2-4}\right)\right)$

$\left(\frac{2}{3}m-4n\right)^2$