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Factorisation by Regrouping Terms

Factorise Com...

Question

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

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Solution

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

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Similar questions

Q. Factorise Completely :
1) x²-y²-3x-3y
2) x²-y²-2x-2y

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

x^{2} - y^{2} - 3 x - 3 y

(x + y) (x - y - 3)

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Q. Factorise completely by removing a monomial factor

x^{2} y^{2} + x^{2}

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Factorisation by Regrouping Terms

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