$\left(a+b\right)\left(b+c\right)$

$\left(x^{\frac{2}{3}}+y^{\frac{3}{2}}\right)^4$

$8+-1+1$

$\int\frac{1}{\left(u-2\right)\left(u^2+1\right)}du$

$\left(0\right).\left(2-4x\right)^{-\frac{1}{3}}-\frac{1}{3}\left(2-4x\right)^{-\frac{2}{3}}:\left(4\right)\left(5\right)$

$-y+3+5-3y-5y$

$2tan^2x+tanx-1=0$