mikel13 mikel13
  • 07-11-2018
  • Mathematics
contestada

One solution to the problem below is 7. What is the other solution? M^2-49=0

Respuesta :

Cathi Cathi
  • 07-11-2018
(X-7)(x+7)
Set each equal to zero

X-7=0 X+7=0
X=7 X=-7
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