$\left(u-1\right)^2$

$\frac{sin\left(x\right)+sin\left(x\right)\:tan^2\left(x\right)}{sec\left(x\right)}=\tan\left(x\right)$

$\left(\frac{m}{3}-8n\right)^2$

$\left(8xy^2+\frac{2}{5}\right)\left(\frac{1}{4}x^2y+10\right)\left(2xy^2-xy\right)$

$\frac{3x-5}{4x^2+3x-1}+\frac{x+4}{4x^2+3x-1}$

$\left(\sqrt[2]{2}+\sqrt[2]{3}\right)^5$

$\left(3\right)^2-\left(3\right)-6$