$\frac{dy}{dx}\left(x^2-2xy-4y^2+3x-2y=10\right)$

$\left(m+n+0\right)\left(m-n-0\right)$

$\int\frac{x^3}{8\sqrt{\left(x^2+\frac{9}{4}\right)^3}}dx$

$\frac{d^2}{dx^2}\left(9x^3-8x^2-50\right)$

$x'+5x=\frac{1}{2}$

$\left(-82.02\right)\cdot\left(-9.41\right)$

$\lim_{x\to+\infty}\frac{3x^2+20x}{e^x+2}$