Medo
Medo
08-11-2014
Mathematics
contestada
what is the answer for (3+x)^2
Respuesta :
apologiabiology
apologiabiology
08-11-2014
(3+x)(3+x)
(9+3x+3x+x^2) or (x^2+6x+9)
Answer Link
Аноним
Аноним
08-11-2014
[tex]Use:(a+b)^2=a^2+2ab+b^2\\\\(3+x)^2=3^2+2\times3\times x+x^2=9+6x+x^2[/tex]
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