$-12x^3+36x^2+18$

$\left(\cos x-1\right)\left(\sin x+1\right)=0$

$\int x\left(5x^3+15x\right)^3\left(3x^2+3\right)dx$

$\lim_{x\to0}\left(\frac{cos\left(2x\right)-5x^2-1}{sen\left(x^2\right)}\right)$

$\left(7a^4-5a^2b^3\right)^3$

$\frac{dy}{dx}\left(\frac{y-1}{x+3}\right)$

$\left(3w^2+21\right)\left(3w^2-5\right)$