$\int_1^{\infty}\left(\frac{1}{x\left(9x+10\right)}\right)dx$

$2y^2+12y+18$

$2a^4+2a^2b^2$

$\int\frac{x}{\sqrt{x^2-8x+5}}dx$

$2tanx-\frac{\cos\left(x\right)}{1+\sin\left(x\right)}=\tan\left(x\right)$

$\frac{dy}{dx}=\frac{2y}{x}-1$

$2\left(9x^3y^2\right)\left(12m^3\right)$