nicelayshimalinguy nicelayshimalinguy
  • 16-04-2017
  • Mathematics
contestada


4x^2=400

A. 4x=±20
B. x=±5
C. x=±10
D. x=±20

Respuesta :

JimmyTHEKudo JimmyTHEKudo
  • 16-04-2017
4x^2=400
x^2=100
x=±10
Answer Link

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