$9\int\left(\frac{e^x-1}{10x}\right)dx$

$\frac{2x+3}{5}>x+2$

$\left(1-x^2-y^2-z^2\right)\cdot e^{\left(-xyz\right)}$

$4x^2-9x-9$

$\lim_{x\to\infty}\left(\frac{3^x+5^x}{7^x+5^x}\right)$

$\lim_{x\to-2}\left(\frac{5x\left(3+\sqrt{7-x}\right)}{x^3+8}\right)$

$2\left(1\right)^3-6\left(1\right)^2+3$