$\frac{dy}{dx}=\frac{6x^2}{6+x^2}$

$\int\frac{2x+7}{x\left(x-1\right)\left(x+6\right)}dx$

$5x^2+7x=2$

$y=\left(x^{10}+\sqrt{\sin\left(2x\right)}\right)^2$

$2\log\left(x\right)=\log\left(2x-3\right)+\log\left(3\right)$

$-9\left(+x^3-3x^2-144x+440\right)$

$\lim_{x\to\infty}\left(\frac{x^2-9}{x^3+5}\right)$