$3y-2z-3x-\left(-x-\left(y-\left(z-x\right)\right)\right)$
$2x^2+6x+4\le0$
$32a^4b^5\sqrt[4]{ab^2}$
$3n^2-3n-36$
$121m^4-25$
$\left|-29-1\right|$
$\tan^2x-\sec^298$
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