jessicaanzaldo14
jessicaanzaldo14
10-05-2016
Mathematics
contestada
(2x+1)(2x-1) find the product
Respuesta :
apologiabiology
apologiabiology
10-05-2016
difference of 2 perfect squares
a^2-b^2=(a-b)(a+b)
recognize that
(2x+1)(2x-1)
(a+b)(a-b)
therefor
product is
(2x)^2-(1)^2=
4x^2-1
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