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quadtratic formula problem
Hello. I have a problem 80x+80=9x^2+18x It says use the quadtaric forumla to obtain x=8,10. I get the 8, but I can't figure out how they got 10. I keep getting 10/9. Thanks for any help!
Mathfailure
Thread
Apr 19, 2007
Replies: 2
Forum:
Algebra
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