arna11bhim
arna11bhim
17-07-2016
Mathematics
contestada
How do you factor 4x^2+9?
Respuesta :
konrad509
konrad509
17-07-2016
[tex]4x^2+9=4x^2-(-9)=(2x)^2-(3i)^2=(2x-3i)(2x+3i)[/tex]
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