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Mathematics 16 Online
OpenStudy (anonymous):

multiply the conjugates (5x + 7x)(5y - 7x)

OpenStudy (anonymous):

Do you mean (5y + 7x)(5y - 7x)?

OpenStudy (anonymous):

if weeku is right 25x^2-49y^2 if the original was correct -84x^2+60xy

OpenStudy (anonymous):

If the original was right, then question is wrong, because 13x and (5y - 7x) are not conjugates. :)

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