check question if correct. (algebra)

label Mathematics
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May 12th, 2015

x^2=144

x=sqrt(144)= +-12

so either x=12 or x= -12

...............................................................and hence your solution is correct

May 12th, 2015

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May 12th, 2015
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May 12th, 2015
Jun 26th, 2017
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