SOLUTION: Add:
x/x^2 - 81 + 9/81 - x^2
Algebra.Com
Question 156272: Add:
x/x^2 - 81 + 9/81 - x^2
Answer by orca(409) (Show Source): You can put this solution on YOUR website!
Note that:
So
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= (factor x^2-9^2 into (x+9)(x-9))
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