SOLUTION: How did ((x+3)^2) / x^2 be the answer to 1+ (6/x) + (9/x^2) ?

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Question 998495: How did ((x+3)^2) / x^2 be the answer to 1+ (6/x) + (9/x^2) ?
Answer by ikleyn(52781) About Me  (Show Source):