Grantsiarah3370 Grantsiarah3370
  • 25-09-2018
  • Mathematics
contestada

Será a equação x² + 3x = x + 6 + x² do 2º grau?

Respuesta :

tramserran
tramserran tramserran
  • 25-09-2018

x² + 3x = x + 6 + x²

-x²                      -x²  

      3x = x + 6

     -x   -x      

     2x =      6

     [tex]\frac{2x}{2}[/tex] =      [tex]\frac{6}{2}[/tex]

      x =    3

Answer: x = 3

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