SOLUTION: the inequality x^2 -20x <21 is equivalent to
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Question 468962: the inequality x^2 -20x <21 is equivalent to
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
the inequality x^2 -20x <21 is equivalent to
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x^2-20x-21 < 0
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(x-21)(x+1) < 0
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-1< x < 21
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Cheers,
Stan H.
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