document.write( "Question 58691: please help...Using factoring to solve this quadratic equation:
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document.write( "4x^2-17x-15=0 \n" );
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Algebra.Com's Answer #40227 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! please help...Using factoring to solve this quadratic equation: \n" ); document.write( "4x^2-17x-15=0 \n" ); document.write( "=4x^2-20x+3x-15=0 \n" ); document.write( "=4x(x-5)+3(x-5)=0 \n" ); document.write( "=(x-5)(4x+3)=0 \n" ); document.write( "hence \n" ); document.write( "x-5=0...that is x=5...or \n" ); document.write( "4x+3=0...that is 4x=-3...x = -3/4 \n" ); document.write( " \n" ); document.write( " |