$-20\cdot23$

$2\ln\left(x\right)=4\ln\left(2\right)$

$\int\sqrt{x}\left(x+\sqrt{3}\right)dx$

$m^2-3m+10$

$e=\left(\sqrt{32}-\sqrt{8}\right)^{2}$

$sin\left(x\right)tan\left(x\right)-sec\left(x\right)sin\left(x\right)+tan\left(x\right)-sec\left(x\right)$

$\int\frac{2x+3}{3+3x}dx$