$\left(x^3+2x^2\right)\left(x^3-3x^2\right)$

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

$1-\left(1+0.01\right)^{-12}$

$7x^2-2x$

$\int_1^{\infty}\left(\frac{4lnx}{x^2}\right)dx$

$\left(416-4x\right)^2$

$\frac{x^2+2x-15}{x^3-1}$