$y^2=\left(2x+5\right)^{senx}$

$10mn^2+8n^2m+6mn-5a+6n^2-5a+mn^2-10a$

$\int\frac{x-5}{x^3-4x^2+x+6}dx$

$6x^2+18x$

$\frac{dy}{dx}=x^5e^x-\frac{4}{x}y$

$4^2\cdot2+8\cdot7$

$\lim_{x\to-2}\left(\frac{5x^2+10x}{\left(x+2\right)\left(x-8\right)}\right)$