document.write( "Question 468962: the inequality x^2 -20x <21 is equivalent to \n" ); document.write( "

Algebra.Com's Answer #321741 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
the inequality x^2 -20x <21 is equivalent to
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\n" ); document.write( "x^2-20x-21 < 0
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\n" ); document.write( "(x-21)(x+1) < 0
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\n" ); document.write( " $\"graph%28400%2C400%2C-10%2C30%2C-130%2C50%2Cx%5E2-20x-21%29\"$
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\n" ); document.write( "-1< x < 21
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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