$x-1<0$
$x^2+2x>0$
$\lim_{x\to\frac{\pi}{4}}\left(\frac{\cot\left(x\right)-\tan\left(x\right)}{\sin\left(x\right)-\cos\left(x\right)}\right)$
$14xy^5\left(12y^2\right)$
$x^2+14x+5=0$
$2ab+7ab-2ab+2$
$2a+5b+3a$
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