$\left(\left(g-h\right)\left(g^2-3gh+2h^2\right)\right)=\left(g^3+4g^2h^2-2h^{\:3}\right)$
$\frac{d}{dx}5x^5-3x^2-x-1$
$secx\left(secx-\frac{sin^2x}{cosx}\right)$
$x^2-32\:\:\:x-2$
$2\sin\left(2x\right)+2\sin\left(x\right)=1$
$\frac{cos\theta\:}{1+sin\theta\:}-\frac{1}{cos\theta\:}=-tan\theta\:$
$\:\left(x-2y\right)^7$
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