$8ax+2a-4bx-b$
$4\sqrt{2}x\sqrt{48}$
$\frac{1}{-\cos^2\left(x\right)}=2$
$\frac{dy}{dx}=\frac{x}{3y^2\left(1+x^2\right)}$
$\int\frac{1}{x\sqrt{16x^2-100}}dx$
$\lim_{x\to-1}\left(\frac{x^4+2x^2+x^2}{x+1}\right)$
$9m\:+12mn+4m^2$
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