$\int\left(\frac{x^2+5}{x^2-7x+12}\right)dx$

$\int\frac{2x^2-6x+7}{\left(x-1\right)^2\:\left(x+2\right)}dx$

$\frac{d}{dx}\left(y=\left(x+6\right)^{\sin\left(x\right)}\right)$

$-37-\left(-5\right)$

$\sqrt{3^2+3^2}$

$2-\left(18+-3\right)$