wolfblood2017
wolfblood2017
26-01-2017
Mathematics
contestada
2x^2-4x-3-(x-4)(x+4)
Respuesta :
apologiabiology
apologiabiology
26-01-2017
-(x-4)(x+4)=-x²+16
2x²-4x-3-x²+16
2x²-x²-4x-3+16
x²-4x+13
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