$100\:+\:65\:-\:\left[16\:-\:\left(12\:-\:3\right)\:-\:\left(-3\right)\right]\:+\:\left[\:35\:-\:\left(-18\right)\right]$

$\frac{d^{11}}{dx^{11}}\left(\cos\left(2x\right)\right)$

$-8x+15\le-7x-36$

$\left(2^2\right)^2\left(4^3\right)^1$

$\frac{d}{dx}5w^2-2wx+7x^2$

$2tan\left(x\right)-\left(1+tan\left(x\right)\right)^2$

$\int2e^{x^2+lnx}\left(2x+\frac{1}{x}\right)dx$