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Apr 15, 2007, 01:14 PM

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christina512 is offline

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factor Completely

how do i solve this problem

Factor Completely

16x squared - 81y to the fourth

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Apr 15, 2007, 01:26 PM	#2

galactus Mathematics Expert Join Date: Sep 2006 Location: Chaneysville, Pa. Posts: 1,668	The difference of two squares. $16x^{2}-81y^{4}=(4x)^{2}-(9y^{2})^{2}$ Now continue.

Apr 16, 2007, 06:14 AM	#3
kristo Junior Member Join Date: Jan 2007 Posts: 42	$(a^2-b^2) = (a-b)(a+b)$ ye
kristo Junior Member Join Date: Jan 2007 Posts: 42

Apr 16, 2007, 06:15 AM	#4

Capuchin Science Expert Join Date: Oct 2006 Location: UK Posts: 5,237	I dont think the "now continue" was meant for you kristo!!

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