SOLUTION: I am drawing a blank on this; do I multiply or add the denominators? (x-1/3)*(x+1/3)

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Question 51274This question is from textbook
: I am drawing a blank on this; do I multiply or add the denominators?
(x-1/3)*(x+1/3)This question is from textbook

Answer by Earlsdon(6103) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply:
%28x-1%2F3%29%2A%28x%2B1%2F3%29 Use FOIL to multiply these two factors.
%28x-1%2F3%29%28x%2B1%2F3%29+=+x%5E2+%2B%281%2F3%29x+-+%281%2F3%29x+-+%281%2F3%29%5E2 Simplify this.
x%5E2-1%2F9