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27x^2+72xy+48y^2 factor
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http://www.mathway.com/math_image.aspx?p=3(3x+4y)SMB02ESMB032SMB02eSMB03?p=92?p=22
i know the answer i need to know how to get there
take out 3 as a common factor \[3(9x^2 + 24xy + 16y^2)\] inside the brackets is a perfect square \[(a + b)^2 = a^2 + 2ab + b^2\] just find a and b.... it should be obvious
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