$\left(4-x\right)\left(x+3\right)+3x^2+8\:>\:2\:\left(1-x^2\right)$

$3\sin^3\left(x\right)=\sin\left(x\right)\cos\left(2\right)x$

$x^2-3x-180=0$

$\frac{d}{dx}\left(\left(\frac{\left(lnx\right)^x}{2^{3x+1}}\right)\right)$

$\left(a-12b\right)\left(a+2b\right)$

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

$\int\frac{2}{\sqrt{\left(x^2+2\right)}}dx$