SOLUTION: please help with this factor problem. Factor completely. 25x^2 - 9 thanks

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Question 6436: please help with this factor problem.
Factor completely.
25x^2 - 9
thanks
Answer by prabhjyot(165) About Me  (Show Source):
You can put this solution on YOUR website!
25x^2 - 9=0
25 x^2 =9
x^2 =9/25
x = sqrt(9/25)
x=sqrt(0.36)
x=0.6