$\frac{d}{dx}\left(\frac{x-7}{x+4}\right)^{10}$
$27^{2x}=3^{2x+4}$
$\left(ny\right)^2$
$4x^4+4x^2+144$
$\left(3x^2-4\right)^3$
$0.01x^2\:+x-600$
$\frac{3h}{h+3}-\frac{7}{h^2+3h}=\frac{1}{h}$
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