$\int_2^{+\infty}\left(3x^2\right)dx$

$\frac{5dw}{dt}=w+10$

$\lim_{x\to-2}\left(\frac{-4x}{\sqrt{2-x}-\sqrt{2}}\right)$

$\int\left(6x\cdot\cos\left(3x^2-1\right)\right)dx$

$\lim_{x\to-\infty}\left(\frac{5x^3+27}{20x^2+10x+9}\right)$

$+48+68+36$

$-6x^5y^5\left(11x^5\right)$