$x^{\left(5\right)}-16x^{\left(4\right)}+77x^{\left(3\right)}-50x^{\left(2\right)}-372x+360$

$\frac{7x^5}{2x^3}$

$cos\left(\frac{13\pi}{15}\right)cos\left(-\frac{\pi}{5}\right)$

$\frac{dy}{dx}\left(\frac{e^x}{sinx}\right)^3$

$-36\cdot116$

$-326+189$

$\left(c^2+d\right)\left(c^2-d\right)$