document.write( "Question 1027817: Solving using the quadratic formula.\r
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document.write( "7x(x+2)+5=3x(x+1) \r
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document.write( "Do you first subtract the 3x^2 from 7x^2? I'm not 100% on how to work this through. \n" );
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Algebra.Com's Answer #643026 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "7x(x+2)+5=3x(x+1) \n" ); document.write( "7x^2 + 14x + 5 = 3x^2 + 3x \n" ); document.write( "7x^2 - 3x^2 + 14x - 3x + 5 + 0 \n" ); document.write( "4x^2 + 11x + 5 = 0 \n" ); document.write( "Solve using:- \n" ); document.write( " \n" ); document.write( "a = 4, b = 11 and c = 5 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " x = -0.575 x = -2.175 (2 decimal places) \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |