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  • 06-12-2016
  • Mathematics
contestada

Use the square root property to solve the equation

[tex](x+7^2)=20

(3x+2)^2=6[/tex]

Respuesta :

SyntaxError
SyntaxError SyntaxError
  • 06-12-2016
For the 1st equation:
[tex]x = 20 - 144 \\ x = - 124[/tex]

For the second equation:
[tex] \sqrt{(3x+2)^2}= \sqrt{6} \\ 3x+2 = \sqrt{6}\\ 3x = \sqrt{6}-2\\ x = \frac{ \sqrt{6}-2 }{3} [/tex]
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