SOLUTION: (x-9) (x-9)= x2-81
-how did you find the factors of x2-81?
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Question 623380: (x-9) (x-9)= x2-81
-how did you find the factors of x2-81?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
(x-9) (x-9)= x2-81
-how did you find the factors of x2-81?
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Use ^ for exponents, shifted 6.
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(x-9)*(x-9) is not x^2-81
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