$-4v+7=-10v+37$
$4x^3-5x^2-7x+2$
$9x^4-25y^6$
$2x^2-28x+26\ge0$
$x^{2\:}+12x=85$
$\left(2x^3+5x-3\right)+\left(4x-3x^2+2\right)$
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