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Mathematics 18 Online
OpenStudy (anonymous):

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

OpenStudy (haseeb96):

a^2-b^2= (a-b)(a+b) now tell me what will be the answer

OpenStudy (anonymous):

C?

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