Question

3x(x-15)=2x-4
socoroooo​

Answer 1

Resposta:

3x² - 45 = 2x - 4

3x²-41-2x=0

Delta: 469

x= 2 +- raiz de 469

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2

x1= 1-2 raiz de 31

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3

x2= 1+2 raiz de 31

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3