$\int4\pi\:r^2\:dr$

$2\left(0\right)^2+5\left(0\right)-3$

$72x+36y-27az$

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

$\frac{\sin^3\left(x\right)}{\sin\left(x\right)-\tan\left(x\right)}$

$\int_{-3}^4\left(x\cdot\sin\left(x\right)^2\right)dx$

$f\left(t\right)=\frac{3}{s\left(s^2-1\right)}$