$\int\frac{\ln\left(10x\right)}{x^7}dx$

$\int\sqrt{\left(36-x^2\right)}\left(2x\right)dx$

$\left(\sqrt{\sqrt{x}+\sqrt{y}-\sqrt{4\left(\sqrt{xy}\right)}}\right)$

$\sqrt[3]{64a^6}b^7c^9$

$\frac{a^2+2a+1}{a+3}$

$\sin^2\left(x\right)-\cos^4\left(x\right)\cdot\sin^2\left(x\right)$

$400+m^2-41m$