$8a^22b-4ab^22$
$\frac{13x+3}{x-3}\ge7-2x$
$47+\left(47-\left(-47\right)+47-\left(\left(-47\right)-\left(-47\right)\right)\right)$
$x^2+2x+11=-4x+2$
$\frac{x^2+2x-3}{x-2}$
$\left(2a-4b+8c-16d\right)$
$\left(3z+1\right)^4$
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