document.write( "Question 90396: Solve: 30x^2+11x-30=0
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document.write( "I'm lost!! Can you help me? Thank you! \n" );
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Algebra.Com's Answer #65588 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve: 30x^2+11x-30=0 \n" ); document.write( "Factor to get: \n" ); document.write( "(5x+6)(6x-5)=0 \n" ); document.write( "x = -6/5 or x = 5/6 \n" ); document.write( "========================= \n" ); document.write( "You could also solve the quadratic with the quadratic formula: \n" ); document.write( "x = [-11+-sqrt(11^2-4*30*-30)]/60 \n" ); document.write( "x = [-11+-sqrt3721]/60 \n" ); document.write( "x = [-11+-61]/60 \n" ); document.write( "x = 50/60 or x = -72/60 \n" ); document.write( "x = 5/6 or x= -12/10 \n" ); document.write( "x=5/6 or x=-6/5 \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |