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December 20, 2014

December 20, 2014

Posted by **Bekki** on Tuesday, June 13, 2006 at 7:14pm.

Factor completely or state that it is prime

x^2 + 9xy + 16y^2

The factors of 16 are:

16 x 1.

8 x 2.

4 x 4.

None of these add together to give 9 so it can't be factored as is. Did you make a typo? Is the 9 a 10 or an 8. It would work then.

Does this mean it is prime? No typo

I don't know your definition of prime but the equation, as is, can't be factored.

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