document.write( "Question 572865: 4n^2-2n-90=0\r
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Algebra.Com's Answer #368534 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
4n^2-2n-90=0
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\n" ); document.write( "(2n+9)(2n-10) = 0
\n" ); document.write( "x = -9/2 or n = 5
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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