$\int\left(x^2\left(x^3+5\right)^3\right)dx$

$\log\left(x-2\right)-\log\left(x+2\right)$

$1+\int_1^{\infty}\left(\frac{1}{x^2}\right)dx$

$\frac{b^7b^{-7}}{b^{-2}}$

$\int_0^{\frac{1}{ln\left(2\right)}}\left(\frac{e^{\frac{-1}{x}}}{x^2}\right)dx$

$49m^6-7am^3n^1+25a^2n^4$

$\left(5c^2+7d\right)^3$