$\lim_{x\to0}\left(1+\frac{1}{x\left(x+2\right)}\right)^x$

$2\left(3.1416\right)\left(3.6\right)\left(0.00135\right)$

$\left(4x^2-6x\right)+\left(-7x^2+10x\right)$

$4x+6\left(x+2\right)+3$

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

$\frac{dy}{dx}+y=5x^{3}$

$b^2mn,si\:b=2,m=\frac{1}{4}\:y\:n=\frac{1}{2}$