$\int\cos\left(\frac{1}{2}x\right)^6dx$
$9-7x-2+6$
$\sqrt{9x^2-5}-3x=-1$
$\left(11c^4\right)^3=1331c^{12}$
$49x^4y^2-64w^{16}z^{14}$
$-7\left(5k+6\right)+8k$
$3x\:+7y\:=5\:$
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