tomy143003
tomy143003
22-12-2016
Mathematics
contestada
Factor the polynomial 25x^2-20xy + 4y^2
Respuesta :
apologiabiology
apologiabiology
22-12-2016
recognize that (a-b)^2=a^2-2ab+b^2
so
(5x)^2-2(2)(5)xy+(2y)^2=(5x-2y)^2
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