$\frac{dy}{dx}=5x^{-3}-6x+12$

$\left(\frac{27t^3}{8}\right)^{\frac{2}{3}}$

$\left(x-1\right)\left(x+1\right)\le0$

$\sqrt{18x^9}$

$\tan\left(x\right)=-\frac{\sqrt{6}}{3}$

$\int\left(x^2\left(6-x^3\right)\right)^5dx$

$\frac{4}{9}x^6-\left(\frac{8}{3}x^3b^2\right)+4b^4$