$3-4x<11$
$-7y-5=-5y+1$
$36\sin^2x+64\cos^2x$
$196n^2-144$
$2xy+4x^2y^2-8x^6y^5$
$\left(3x^2-4y-6x+12\right)+\left(20-8x+4y-5x^3\right)$
$1000x^6-343$
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