$\int_{9.73}^{11.53}-0.21x^2+4.93x-24.92\sqrt{1+\left(-0.42x+4.93\right)^2}dx$

$\frac{cos^3x}{cot^2x}$

$-4^3+\left(-4\right)^3$

$\frac{d}{dx}\left(x^2+3xy=-2x^2y\right)$

$\left(-120\right)+\left(35\right)+\left(180\right)+\left(32\right)$

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

$\left(7a^2-4\right)\left(7a^2+4\right)$