$\left(w^4-7\right)\left(w^4-6\right)$

$\int\left(64+x^2\right)^{-3}dx$

$\log_{\sqrt{b}}\left(x\right)=2\log_b\left(x\right)$

$\frac{\cot\left(x\right)}{\cos\left(x\right)}=\frac{1}{\sin\left(x\right)}$

$\:8\:-\:10\:-\:\left(-25\right)\:-\:35\:-\:22$

$\int2x\left(x^2+17\right)^{-4}dx$

$\frac{\sin\left(2x+x^2\right)}{\left(4-x^4\right)^3}$