Factorize each of the following expressions:

Question:

Factorize each of the following expressions:
x3 − 2x2y + 3xy2 − 6y3

Solution:

$x^{3}-2 \mathrm{x}^{2} \mathrm{y}+3 \mathrm{xy}^{2}-6 \mathrm{y}^{3}$

$=\left(x^{3}-2 x^{2} y\right)+\left(3 x y^{2}-6 y^{3}\right)$      [Grouping the expressions]

$=x^{2}(x-2 y)+3 y^{2}(x-2 y)$

$=\left(x^{2}+3 y^{2}\right)(x-2 y)$         $[$ Taking $(x-2 y)$ as the common factor $]$

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