document.write( "Question 409229: Hi, I am solving by the quadradic formula -b sqrt (b^2-4ac)/(2a)
\n" ); document.write( "Would you show me how to finish this?\r
\n" ); document.write( "\n" ); document.write( "18x^2-39x+20=0\r
\n" ); document.write( "\n" ); document.write( "x = -39 sqrt (39)^2-4(18)(20)/(2(18))
\n" ); document.write( "x = -39 sqrt (1521 - 1440)/(36)
\n" ); document.write( "x = -39 sqrt (81)/(36)
\n" ); document.write( "x = (-39 - 9)/(36) lost here, what do I do? \n" ); document.write( "

Algebra.Com's Answer #288122 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "You have a sign wrong, and also you left out the \"plus or minus\", ą.\r\n" );
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document.write( "Here it is worked correctly step by step\r\n" );
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document.write( "Compare to\r\n" );
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document.write( "Using the +,\r\n" );
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document.write( "Using the -,\r\n" );
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document.write( "Edwin

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