document.write( "Question 248026: I solved the equation
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document.write( "x^2-8x-9<=0
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document.write( "as
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document.write( "-1<=x<=9\r
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document.write( "I don't know how to write that in interval notation.
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Algebra.Com's Answer #180796 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! The general inequality |