$\frac{2\cos\left(3x\right)\cos\left(5x\right)}{\cos\left(8x\right)+\cos\left(2x\right)}=1$

$\frac{2x^2-3x+2}{x+1}$

$-3x+2x^2+x^2-3x$

$x^4+0x^3-22x^2+23x+40$

$\left(196a\:+78b\:-14c\:-19\right)\:+\:\left(114b\:-18a\:-117c\:-198\right)\:+\:\left(a\:+\:b\:-\:c\:+156\right)$

$\int_0^{\left(\frac{\pi}{6}\right)}\left(\cos\left(3x\right)-\sin\left(2x\right)+\sqrt{3}\sec\left(x\right)^2\right)dx$

$\int\left(x^{-3}\left(x-1\right)\right)dx$