SOLUTION: 3x^2-1=47 Please explain

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Question 527714: 3x^2-1=47 Please explain
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
I presume you are trying to solve for x:
3x^2-1=47
3x^2=48
x^2=16
x = +-4
that is, x is equal to "plus or minus" 4