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October 31, 2014

October 31, 2014

Posted by **Debbie** on Monday, March 9, 2009 at 6:57pm.

9x^2+4y^2

- math -
**drwls**, Monday, March 9, 2009 at 9:13pmThis cannot be factored without using imaginary numbers.

The answer is (3x + 2i y)(3x - 2i y)

where i is the square root of -1

- math -
**Debbie**, Tuesday, March 10, 2009 at 1:44pmif i is square root of -1

would the anwer be than

(3x+1/2y)(3x+1/2y)

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