$\left(y-2z\right)^3$

$\frac{12x^2+32x+18}{2x+4}$

$20-2.10-3.\left(6-9\right)$

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

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

$\left(9x^3+y^2z\right)\left(x^3y^4z\right)$

$3\sin\left(x\right)=-2\sqrt{3}$