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September 16, 2014

September 16, 2014

Posted by **Dippy** on Sunday, March 1, 2009 at 11:46pm.

- algebra 1 -
**Reiny**, Monday, March 2, 2009 at 12:54am(4x^2 - 9)(2x^2 - 1)

= (2x + 3)(2x - 3)(2x^2 - 1)

- algebra 1 -
**drwls**, Monday, March 2, 2009 at 1:06am16x^4 - 40x^2 + 9 = (4x^2 -9)(4x^2 -1)

= (2x+3)(2x-3)(2x+1)(2x-1)

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