$\left(\sqrt{\:a\:+\:2a}\right)^{\:4}$

$-27a^3b^3c^4+32a^2b^4c^2-16a^3b^3c^3$

$\int9x\cdot\left(\ln\left(x\right)\right)^2dx$

$y'=\frac{\left(2-y\right)^2}{2\sqrt{1+x}}$

$25x^6+40x^3y+16y^2$

$25\:-\:12:\:\left(-\:3\right)\:-\:2:\:\left(-\:1\right)\:+\:3.\:\left(-\:2\right)$

$\left(10a^2\:+\:4b\right)\:\left(10a^2-\:4b\right)$