Phillyd80 Phillyd80

04-08-2017
Mathematics

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Solve the equasion using square roots. 3x^2-27=0

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Banabanana Banabanana

04-08-2017

[tex]3x^2-27=0 \\ 3x^2=27 \\ x^2=27/3 \\ x^2=9 \\ x=б \sqrt{9} \\ x=б3[/tex]

Answer: x=-3 and x=3

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