any help with this one? thanksss you

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- September 9th 2008, 09:40 AMjvignaciosimplying expressions (indices)

any help with this one? thanksss you - September 9th 2008, 09:48 AMSimplicity
- September 9th 2008, 09:55 AMjvignacio
- September 9th 2008, 09:59 AMSimplicity
- September 9th 2008, 10:04 AMjvignacio