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Factorisation by Regrouping Terms

Factorise : -...

Question

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

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Solution

$- x^{2} y - x + 3 x y + 3 = 3 - x + 3 x y - x^{2} y (By grouping) = 1 (3 - x) + x y (3 - x) = (3 - x) (1 + x y) = (x y + 1) (3 - x)$

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Q. Factorisation of

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

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Factorisation by Regrouping Terms

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