$5\left(x+3\right)\le3\left(x+7\right)$

$\frac{dy}{dx}=2+8y+8x+32xy$

$3+2\cdot\left(3\cdot\left(-3\right)-2\right)$

$\left(-1\right)^n\left(\frac{n^2}{2^n}\right)$

$x2-99x-412$

$\frac{-2^3}{32}-\frac{1}{4}+\frac{1}{2}$

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