$\:\left(-3xy^2+2x^2y\right)^2$

$\lim_{x\to\infty}\left(x^6+3x^5+4\right)^{\frac{1}{6}}-x$

$6=\frac{x}{5}$

$\int\left(a+6x\right)^4\left(6\right)dx$

$\int\frac{x^2}{2}-\frac{2}{x^2}dx$

$\int\left(t-12\sin\left(t\right)\right)dt$

$\lim_{x\to0}\left(x^2-\sin\left(\frac{1}{x}\right)\right)$