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

$\int\frac{12}{\left(x-1\right)\left(x^{2}+x-6\right)}dx$

$14x^2\left(18x^3+15y^3\right)$

$8=8-\cos\left(\frac{x}{4}\right)$

$\left(-4\right)-\left(-11\right)-\left(-5\right)+8$

$\:\:g\left(x\right)=tan\left(x^3+1\right)$

$24xy^2-27x^2y$