$\int\frac{1}{\left(9+y^2\right)^{\frac{3}{2}}}dy$

$\int_0^5\left(e^{-2t}\right)dt$

$cx+zx+cy+zy$

$\left(\frac{x^2-16}{x-3}\right)\left(\frac{x^3-3x^2}{x^2+4x}\right)$

$6xy+6y+x+1$

$5+\left(-7\right)-3+5-\left(-6\right)$

$-8sin^{\left(2\right)}\left(x\right)+22sin\left(x\right)=12$