$\left(5x-3\right)\left(-2\right)\ge x+26$

$\int\left(x^3-2x+1\right)\left(2x\right)dx$

$\lim_{w\to-2}\left(\frac{\left(w+2\right)^2}{w^4-16}\right)$

$\lim_{x\to\infty}\left([1+\sen\left(\frac{1}{x}\right)]^{x}\right)$

$-6n+n+3u$

$2\left(x-5\right)\ge3x+y$

$1-\frac{25}{a^2}$