djdougie123
djdougie123
08-05-2015
Mathematics
contestada
what is (x+3)^2 equal to
Respuesta :
mumsy
mumsy
08-05-2015
(x+3)^2= x^2+6x+9
remember what is (a+b)^2= a^2+b^2+2ab
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Emmahorangic
Emmahorangic
08-05-2015
To figure out this question you need to expand and foil it ------>
(x+3)(x+3) = x^2+6x+9
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