$\int sin^5\left(ax+b\right)cos\left(ax+b\right)dx$

$y=\left(x+\frac{1}{3}\right)\left(x-\frac{1}{3}\right)$

$\int9x^3e^xdx$

$\left(6af\right)\left(-5af\right)$

$\frac{x^4-15x^2+10x+24}{x+4}\:$

$\left(3\cdot\tan^2x-1\right)\left(\tan\left(x\right)-1\right)=0$

$\lim_{x\to0}\left(\frac{ln99}{x^2}\right)$