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Sum
Factorise completely: 3x2y + 11xy + 6y
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Solution
3x2y + 11xy + 6y = y(3x2 + 11x + 6)
= y[(3x2 + 9x + 2x + 6)]
= y[3x (x + 3) + 2(x + 3)]
= y [(x + 3)(3x + 2)]
= y (x + 3)(3x + 2)
Concept: Factorising Completely
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