$\int\frac{3x^2+1}{x^3+x+5}dx$

$\log\left(2^xa\right)=\log\left(2y\right)$

$\frac{5x^2+7x-3}{x+3}$

$\int\frac{4e^{2x}+2e^x-1}{e^{3x}+e^{2x}}dx$

$x^4\left(x-2\right)\left(x+3\right)$

$\sqrt[3]{\frac{x^3y^4}{z^2}}$

$\int\frac{\left(x+1\right)}{\left(2x^2+4x-1\right)}\:dx$