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July 31, 2014

July 31, 2014

Posted by **Jordyn** on Thursday, November 4, 2010 at 9:19pm.

The answer I have is (8y+5z)(8y-5z).

I still am not sure how to include correct units in the solution. Please help!

- Algebra -
**Stephanie**, Friday, November 5, 2010 at 2:02amdo the FOIL method

f for first

o for outer

i for inner

l for last

(8y+5z)(8y-5z)

64y^2 + 40yz - 40yz + -25z^2

64y^2 - 25z^2

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