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KarineAndrade's Profile
Star Rating: [2 
]
Member Since: May 15, 2013
Total # Questions Provided: 1
Total # Answers Provided: 0
]
Member Since: May 15, 2013
Total # Questions Provided: 1
Total # Answers Provided: 0
mai
15
2013
Determine o conjunto solução da solução:
-9x²-27x=0 -9x²-27x=0(-1) 9x²+27x=0 D(Delta)= 27²-4.9.1 D = 729-36 D = 693 X = -27 +/-Raiz de 693 2.9 Tenho dúvidas quando chega na hora de resolver o x como esstá retratado em...
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