$\int\left(\frac{x^3+3x^2+2x+1}{x^2-x-2}\right)dx$

$\int5x^4e^{-3x}\:dx$

$\int\frac{x-4}{x^2+7x+6}dx$

$\int\frac{2}{x^2+25}dx$

$\frac{16}{0.37}$

$2\log\:\left(x\right)-4\log\:\left(x+5\right)+\frac{1}{3}log\left(3x+5\right)$

$\int\frac{3x^2-2x+3}{\left(x^2-1\right)\left(x^2+7\right)}dx$