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April 18, 2015

April 18, 2015

Posted by **babs** on Sunday, August 21, 2011 at 7:15pm.

- algebra -
**PsyDAG**, Monday, August 22, 2011 at 11:14amIt would help if you proofread your questions before you posted them.

Is the underscore supposed to be a negative sign? If so, 5ab^2 will be positive.

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