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Factorize:$8x^3 + y^3 + 12x^2y + 6xy^2$
Given:
$8x^3 + y^3 + 12x^2y + 6xy^2$
To do:
We have to factorize the given expression.
Solution:
We know that,
$(a + b)^3 = a^3 + 3a^2b + 3ab^2 + b^3$
$(a - b)^3 = a^3 - b^3 - 3ab(a - b)$
Therefore,
$8x^3 + y^3 + 12x^2y + 6xy^2 = (2x)^3 + (y)^3 + 3 \times (2x)^2 \times y + 3 \times 2x \times y^2$
$= (2x + y)^3$
$= (2x + y) (2x + y) (2x + y)$
Hence, $8x^3 + y^3 + 12x^2y + 6xy^2 = (2x + y) (2x + y) (2x + y)$.
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