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Factorize $18 x^{3}+27 x^{2}$
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In this polynomial, 9 is the greatest integer that divides 18 and $27 \mathrm{x}^{2}$ is the greatest expression that divides $\mathrm{x}^{3}$ and $\mathrm{x}^{2}$.
$=9 x^{2}(2 x)+9 x^{2}(3)$
$=9 x^{2}(2 x+3)$
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