document.write( "Question 385519: x^2+9x-12=0
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document.write( "x^2=9x=12
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document.write( "4x^2+36x=12x4
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document.write( "4x^2+36x=48
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document.write( "4x^2+36x+6=48+6\r
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document.write( "and this is where i get completely confused...i don't even know if I've done the problem right thus far. your suggestions please??? \n" );
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Algebra.Com's Answer #272750 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x^2+9x-12=0 \n" ); document.write( " Use the quadratic formula: \n" ); document.write( "x = [-b +- sqrt(b^2-4ac)]/(2a) \n" ); document.write( "----------------------------------- \n" ); document.write( "x = [-9 +- sqrt(81 - 4*1*-12)]/2 \n" ); document.write( "--- \n" ); document.write( "x = [-9 +- sqrt(129)]/2 \n" ); document.write( "---- \n" ); document.write( "x = [-9 +- 11.36]/2 \n" ); document.write( "--- \n" ); document.write( "x = [2.36/2] or x = [-20.36/2] \n" ); document.write( "--- \n" ); document.write( "x = 1.18 or x = -10.18 \n" ); document.write( "============================ \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |