document.write( "Question 150261This question is from textbook Glencoe McGraw-Hill
\n" ); document.write( ": slove by the quadratic formula.
\n" ); document.write( "4x to the second power+11x-20=0 \n" ); document.write( "

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4X^2+11X-20=0
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( "X=(-11+-SQRT[11^2-4*4*-20])/2*4
\n" ); document.write( "X=(-11+-SQRT[121+320])/8
\n" ); document.write( "X=(-11+-SQRT441)/8
\n" ); document.write( "X=(-11+-21)/8
\n" ); document.write( "X=(-11+21)/8
\n" ); document.write( "X=10/8
\n" ); document.write( "X=5/4 ANSWER.
\n" ); document.write( "X=(-11-21)/8
\n" ); document.write( "X=-32/8
\n" ); document.write( "X=-4 ANSWER. \n" ); document.write( "

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