edwardacg15 edwardacg15
  • 01-03-2021
  • Mathematics
contestada

Answer to this equation 5x^2+2=7

Respuesta :

sb6339996
sb6339996 sb6339996
  • 01-03-2021

Answer:

x=1

Step-by-step explanation:

Answer Link
hajora03
hajora03 hajora03
  • 01-03-2021

Answer:

x= 1  and x= -1

Step-by-step explanation:

[tex]5x^{2} +2=7[/tex]

(subtract 2 from both sides)

[tex]5x^{2} =5[/tex]

(divide by 5 from both sides)

[tex]x^{2} =1[/tex]

(take the square root from both sides)

x=±√1

so,

x= 1

and

x= -1

Answer Link

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