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Question 46248: Image Hosted by ImageShack.us
Answer by BGluvsmath(64) About Me  (Show Source):
You can put this solution on YOUR website!
(x-1/3)(x+1/3) = x(x+1/3)-1/3(x+1/3) = x^2+x/3-x/3-1/9 = x^2-1/9
Note: x/3 equals 1/3x