johnny678
johnny678
09-08-2017
Mathematics
contestada
Factor completely 169x2 − 64
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apologiabiology
apologiabiology
09-08-2017
recognize the differnce of 2 perfect sqares
recall that a²-b²=(a-b)(a+b)
so
169x²-64=
(13x)²-(8)²=
(13x-8)(13x+8)
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