$\:9x^2\:+\:2\:=\:10x$
$0^2-5\cdot0+6$
$\left(b+1\right)\left(a+1\right)$
$55^2n^3+110m^2n^3x-220m^2y^3$
$24a^2-12ab$
$-5x^2+20x+60$
$26u^2+16u+4$
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