$\int\left(\frac{x^2+3}{4}\right)dx$

$7.84+\left(-8.43\right)$

$\lim\:_{x\to\:\:4}\left(\frac{x-4}{\sqrt{x}-\sqrt{8-x}}\right)$

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

$\frac{3x\cdot\:\:tan\left(x\right)}{sin\left(x\right)}$

$\frac{dy}{dx}+\left(\frac{2}{x}\right)y=x^{-4}$

$\int x\left(\sqrt{x}-\sqrt[3]{x}+\cos\left(x\right)\right)dx$