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Mathematics 15 Online
OpenStudy (anonymous):

can someone help me Which of the following is a factor of x3 − 729? x − 9 x + 9 x2+ 18x + 81 None of the above

OpenStudy (anonymous):

A works.

OpenStudy (anonymous):

\(a^3 – b^3 = (a – b)(a^2 + ab + b^2)\\a=x\\b=9\)

OpenStudy (spring98):

the only answer u will get if u factor it and the answer tht I got dosen't apply to any of the multiple choice above. So tht's y it's none of the above. D would be ur answer

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