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November 26, 2015
Posted by **RNRH** on Tuesday, February 22, 2011 at 3:35pm.

- Equations and Inequalities -
**PsyDAG**, Wednesday, February 23, 2011 at 1:24amI don't know for sure since you didn't ask a question, but I assume you want to solve this equation.

Add 10z to both sides.

25z^2 + 10z = 0

Factor.

5z(5z +2) = 0

Solve each factor in relation to zero.