$-6+2-4-6-3$

$\left(-8x-1\right)^2$

$\left(7\:^2b\:^3m\:^2y\right)\:\left(3\:^3b\:^2m\:^5y\right)$

$\lim_{x\to\infty}\left(\frac{\sin\left(x^2\right)}{\cos\left(x^3\right)}\right)$

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

$\lim_{x\to\infty}\left(4\left(sin\left(x\right)\cdot cos\left(x\right)\right)\right)$

$\int\frac{z+2}{z^2+3z-1}dz$