$\frac{d}{dx}\left(3x^2y^5+\sin\left(5xy^3\right)+1=0\right)$

$\lim_{x\to\frac{\pi}{4}}\left(1-\tan\left(x\right)\sec\left(2x\right)\right)$

$x-13=20$

$\frac{dy}{dt}+3y=2\cos\left(t\right)$

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

$-4x^5y^3\left(-2x^2\right)$

$\left(5a^{n+1}+3a^m\right)\left(5a^{n+1}-3^m\right)$