$\int e^{2z}\cos\left(\frac{1}{4}z\right)dz$

$x2-4c-320=0$

$\left(x^2+2x-3\right)\left(-2x^2-5x-4\right)$

$\left(7f-3\right)^3$

$\cos\left(y\right)\:dx\:+\left(y^2-x\:\sin\left(y\right)\right)\:dy$

$\frac{dy}{dx}=-1\cdot\left(2x+5\right)\cdot\left(y+1\right)^2$

$3a^2-a^2$