$\lim_{x\to\frac{\pi}{8}}\left(xsin2x\right)$

$a^{-2}x^{-1}\cdot\left(\frac{ax^{-2}}{x^{4}}\right)^{5}$

$-4\left(p\:+\:\frac{7}{2}\right)$

$\frac{x}{16}\cdot\frac{x-4}{4}$

$\frac{-4}{3x+2}+\frac{6}{x+1}=1$

$\frac{dy}{dx}=-\frac{2}{3}\sqrt{x\:}y^2$

$x2+4x+4\:if\:x\:=\:-2$