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8 April, 12:20

What are the factors of x2 - 81? (x + 9) (x - 9) (x - 9) (x - 9) (x + 3) (x - 27) Prime

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  1. 8 April, 12:38
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    X^2-81=x^2-9^2 = (x+9) (x-9)

    this is the answer
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