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January 27, 2015

January 27, 2015

Posted by **dan** on Saturday, October 17, 2009 at 11:49am.

3(r+s) - 2r

- math -
**PsyDAG**, Saturday, October 17, 2009 at 11:53amCombine like terms.

2r^2 +r +r^2 = 3r^2 + r

Do the next one after multiplying.

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