$\frac{x^5}{16-x^2}$

$-3\cdot\log3x^2-8=-14$

$\left(x^2+y^2\right)\left(x^4-x^2y^2+y^4\right)$

$\frac{dy}{dx}\left(y=8x\left(sin\left(ln\left(8x\right)\right)\right)+cos\left(ln\left(8x\right)\right)\right)$

$\int_{\pi}^{2\pi}\left(\sin\left(x\right)\cos\left(x\right)\right)dx$

$6x^2-3x+1$

$4\cos^2b\:-\:2\sin^2b\:+\:2$