achacon001chaconn
achacon001chaconn
06-10-2016
Mathematics
contestada
How to Factor 4x^2 -121
Respuesta :
apologiabiology
apologiabiology
07-10-2016
difference of 2 perfect squares
for
a^2-b^2=(a-b)(a+b)
so
(2x)^2-(11)^2=(2x-11)(2x+11)
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