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OpenStudy (anonymous):
Factor the expression 81x^2-54xy-9y^2 into a product of binomials.
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jhonyy9 (jhonyy9):
\[9(9x ^{2}-6xy-y ^{2})\]
OpenStudy (anonymous):
the binomial here is very complicated...\[9((\sqrt{18}-3)x-y) ((3+\sqrt{18})x+y)\] maybe it was 81x^2-54xy+9y^2 which is much simpler \[9(3x-y)((3x-y)\]
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