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christina512
Apr 15, 2007, 01:14 PM
how do I solve this problem

Factor Completely

16x squared - 81y to the fourth
galactus
Apr 15, 2007, 01:26 PM
The difference of two squares.

16x^{2}-81y^{4}=(4x)^{2}-(9y^{2})^{2}

Now continue.
kristo
Apr 16, 2007, 06:14 AM
(a^2-b^2) = (a-b)(a+b)
ye
Capuchin
Apr 16, 2007, 06:15 AM
I don't think the "now continue" was meant for you kristo!