$\int\left(\frac{e^{tan\:2x}+3}{cos^2\:2x}\right)dx$

$f\left(x\right)=-5\left(x-3\right)^2+10$

$\lim_{x\to-2}\:\:x^2-4\:\:x+2$

$2\left(6\right)+3\left(1\left(-2\right)+4\left(-2\right)\right)$

$\sqrt{4+6\cdot10}+3\left(5^2-2\right)$

$\frac{dy}{dx}=e^y-2$

$3\:log\left(x\right)\:-\:5\:log\left(w\right)\:-\:log\left(z\right)\:+\:7\:log\left(w\right)$