$y^2-30y+1=0$
$\frac{27x^5}{42x}$
$x^2+14x-51=0$
$\cos\left(x\right)\left(\sec\left(x\right)-\sin\left(x\right)\cdot\tan\left(x\right)\right)=\cos^2\left(x\right)$
$13a+9a+6a$
$-29+\left(5-\left(15+7\cdot\left(3-6\right)+\left(3-5\right)\right)\right)$
$\left(2xy+4m\right)^3$
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