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16-05-2017
Mathematics

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Factor by grouping. a^2+2ab-24b^2

Respuesta :

16-05-2017

You can rewrite that as:

a^2-4ab+6ab-24b^2 then factor 1st and 2nd pair of terms.

a(a-4b)+6b(a-4b) so you have

(a+6b)(a-4b)

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