$\int5x^5\sqrt{\left(x^3+2\right)}dx$

$x^4+y^4\:=\:81.\:$

$\ln\left(x\right)+\ln\left(x+1\right)=\ln\left(12\right)$

$\left(\frac{6}{5}w^2-3x\right)\left(\frac{6}{5}w^2+3x\right)$

$\frac{d}{dx}2^y$

$\int_{\pi}^{2\pi}\left(\frac{1}{1+\cos\left(x\right)}\right)dx$

$3y\cdot3y$