$\int\frac{x^2+4x^2+x-1}{x^3-x^2}dx$

$24te^{3t},\:t=2$

$\int\left(x^2\cos\left(3x^3\right)\right)dx$

$\frac{\cos\left(x\right)\sin\left(2x\right)}{1-\sin\left(x\right)}$

$\frac{dy}{dx}+\:2x=\:1\:+e^{-2t}$

$\int x\left(2x^2+x\frac{1}{2}-3e^x\right)dx$

$8e^{-.01\left(15\right)}$