$\left(-5x^4+2x^3-6x^2+x-1\right)x\left(2x^2-3\right)$

$\frac{\left(1+\cos\left(x\right)\right)\cdot\left(1-\cos\left(x\right)\right)}{\cos\left(x\right)}=\sec\left(x\right)-\cos\left(x\right)$

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

$\frac{dy}{dx}=p^3+q^8$

$\left(s^2-3\right)^2$

$\frac{dy}{dx}+y=3x^3$

$\int\left(\frac{2x^4}{\sqrt{1-4x^5}}\right)dx$