$\frac{3x^3-2x^2+5}{-3+x^2}$

$\cos^4\left(\frac{w}{2}\right)\sin^2\left(\frac{w}{2}\right)$

$\left(5.8\:x\:10^-6\right)\:x\:\left(2\:x\:10^4\right)$

$x\frac{dy}{dx}+2y=162\ln\left(x\right)x^8$

$144a^2-96a+16$

$-4\left(2x+3\right)+2\left(x+1\right)<-3\left(1-x\right)+2$

$y=y+y^3$