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

$p\left(x\right)=ln\left(x^3-x\right)$

$\left(1+cos^2\theta\:\right)\left(1+tan^2\theta\:\right)$

$5x^4+10x^2-15x^3$

$\left(\tan b+\sec b\right)\left(1-\sin b\right)=\cos b$

$\sqrt{3}sec8x=2$

$\left(-4\right)\:.\:\left(-3\right)\::\:\left(-2\right)$