<PRE><B>Question 544914</B>
216x2 – 384y2
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216 = 6^3 = 2^3*3^3
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384 = 8^2*6 = 2^7*3
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24(9x^2-16y^2)
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= 24(3x-4y)(3x+4y)
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Cheers,
Stan H.
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