$\left(x+3\right)\left(2x^2+3x-1\right)^2$

$\left(m+18\right)^2$

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

$\int\frac{x^2-4x-10}{x^2-x-6}dx$

$\int\frac{lnx^7}{x}dx$

$\left(9x-6z\right)\left(9x+6z\right)$

$p^2+169=26p$