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January 30, 2015

January 30, 2015

Posted by **Kathleen** on Saturday, February 20, 2010 at 5:35pm.

- Algebra -
**bobpursley**, Saturday, February 20, 2010 at 5:40pm2(-5y)^2=2*25y^2=50y^2

(-3y^3)^3=-27 y^9

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