SOLUTION: How do I work out 3x squared - 75?

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Question 856474: How do I work out
3x squared - 75?
Answer by chndnbl(31) About Me  (Show Source):
You can put this solution on YOUR website!
3x^2 = 75
x^2 = 75/3
x^2 = 25
x = square root of 25
x= + or - 5