$3^2+3-3>3$

$\left(-10\right)\cdot\left[-\left(13\right)\right]+\left(_{10}\right)$

$55b^2-25$

$\lim_{x\to8}\left(\left(x-8\right)^2\cdot\frac{e^{2x}}{x^3-17x^2+80x-64}\right)$

$\int x'\sqrt{x^2+a^2}dx$

$\lim_{x\to-\infty}\left(12xe^x\right)$

$\int\frac{6x}{x^2-8}dx$