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Factorisation by Common Factors

Factorize eac...

Question

Factorize each of the following algebraic expressions:
9a(6a − 5b) −12a²(6a − 5b)

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Solution

$9 a (6 a - 5 b) - 12 a^{2} (6 a - 5 b) = (9 a - 12 a^{2}) (6 a - 5 b) [T a k i n g (6 a - 5 b) a s t h e c o m m o n f a c t o r] = 3 a (3 - 4 a) (6 a - 5 b) [T a k i n g 3 a a s t h e c o m m o n f a c t o r o f t h e q u a d r a t i c (9 a - 12 a^{2})]$

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Factorisation by Common Factors

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