$\int_{-4}^{-2}\left(3x^3+3x^2-66x-120\right)dx$

$\left(4a^2-3ab^3\right)^2$

$8\sin^2\left(x\right)-1=2$

$\frac{5x}{3}+\frac{1}{6}\le\frac{7x}{2}+\frac{2}{3}$

$\lim_{x\to\infty}\left(\frac{\log\left(\log\left(x\right)\right)}{x^2}\right)$

$\int\left(2\sqrt{1-4x^2}\right)dx$

$u^2-14u+49$