a (a-b)+ 2b (a-b). please factoriate it
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Answer :
HCF method (elaborated)
We see that (a - b) is the common factor associated with 'a' and '2b'; thus we can take (a - b) common.
Thus,
a (a - b) + 2b (a - b)
= (a - b) (a + 2b),
which is the required factorization.
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a (a - b) + 2b (a - b)
= (a - b) (a + 2b),
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