$0.002-0.008$

$\lim_{x\to3}\left(\frac{x\sqrt{x^2+7}}{2x-\sqrt{2x+3}}\right)$

$2400\:=\:a\:ln\:\left(104\right)\:+\:b$

$-12\left(-12+12\right)+8\left(4-3\right)$

$-\left|5\right|\cdot\left|-3\right|$

$\log_{10}\left(x\right)+3\log_{10}\left(2\right)=3$

$\frac{dy}{dx}=12x^3y$