nicolelorah365 nicolelorah365
  • 11-11-2020
  • Mathematics
contestada

solve the equation
7x^2+21=0

Respuesta :

BangChan8
BangChan8 BangChan8
  • 11-11-2020
Subtract 21 from both sides
7x^2=-21
Divide by seven on both sides
X^2=-3
Square root both sides

***X= square root of -3***
:)
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