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  • 03-09-2016
  • Mathematics
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solve the equation by completing the square. 3x^2 7x 7=0

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Аноним Аноним
  • 03-09-2016
[tex]3x^2 *7x *7=0[/tex] 

[tex]3x^2 *7x *7=0:x[/tex] 

[tex] 147x^3=0 [/tex] 

[tex]x^3=0 [/tex]  [tex]| Divide \ both \ sides \ by \ 147|[/tex] 

[tex]x=0[/tex]  [tex]|Take \ the \ cube \ root \ of \ both \ sides|[/tex]
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