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Factorisation by Regrouping Terms

Factorise Com...

Question

Factorise Completely : $8 x^{2} y - 18 y^{3}$

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Solution

$8 x^{2} y - 18 y^{3} = 2 y (4 x^{2} - 9 y^{2}) = 2 y [(2 x)^{2} - (3 y)^{2}] = 2 y (2 x + 3 y) (2 x - 3 y)$

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Q. Factorise completely and state whether the answer is True or False.

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Factorisation by Regrouping Terms

Standard VIII Mathematics

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