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Factorisation by Regrouping Terms

Factorise: 1...

Question

Factorise:
$15 x y - 6 x + 5 y - 2$

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Solution

$15 x y - 6 x + 5 y - 2$

$= 15 x y + 5 y - 6 x - 2$

$= 5 y (3 x + 1) - 2 (3 x + 1)$

$= (5 y - 2) (3 x + 1)$

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Factorisation by Regrouping Terms

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