$6+3\:cos\left(2x\right)=9\:cos\left(x\right)$
$3\left(3x-2\right)^3$
$x^2-4x-117=0$
$\sqrt[4]{16x^d}$
$\left(ab-3\right)\left(-13b\:-\:25\right)$
$-4\left(g-3\right)=2\left(6g-10\right)$
$27x^364$
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