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posted by Milen Tuesday, July 10, 2012 at 5:51am.

Please factor -8.4x^3y^4 - 3.6x^2y^5 - 4.8x^4y^3

= 1.2x^2 y^3(7xy - 3y^2 - 4x^2y)

Hmmm. -1.2x^2y^3(7xy + 3y^2 + 4x^2) -1.2x^2y^3(x+y)(4x+3y)

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