$-16v^2+72>25$
$\left(15x^2+12xy+20\right)+\left(9x^2+10xy+5\right)$
$-m+2m$
$x+4-00$
$x^2+13x-36$
$x=2x-y^{2}-2$
$3x+4+2x+7$
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