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

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am drawing a blank on this; do I multiply or add the denominators? (x-1/3)*(x+1/3)      Log On


   

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(6294) 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