#3563

2729

Sept. 16, 2011, 6:15 p.m.

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//Talking about extraneous solutions. Rose: Ok, now we have 2 solutions, but one of them might be extraneous. We have to check now. If one doesn't work, then we still have the other solution. It's kinda like why some people have 2 kids: one doesn't turn out right, you still have the other.