$\left(1+\tan\left(\theta\:\right)\right)^2\frac{1+2\cos\left(\theta\:\right).\sin\left(\theta\:\right)}{\cos\left(\theta\:\right)^2}$

$\int_0^{\frac{\pi\:}{6}}\left(secx+cosx\right)^2dx$

$-8\left(3+5\right)+64$

$\int5x^2\sqrt[3]{10x^3-6}dx$

$6a+6+4a-4$

$\frac{196^2-225b^2}{14a+15b}$

$\left(x+3\right)x+23y^2$