document.write( "Question 728609: Stuck and needs help with these math problems please help\r
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document.write( "1. Solve: x/3 = 3/x-8\r
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document.write( "2. Solve: 3x + 2/x + 2 - 1 = 2x\r
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document.write( "3. Solve: (x-2)(x-4)(x+1)<0\r
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document.write( "4. Solve: 3x/x-5 <5 \n" );
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Algebra.Com's Answer #445561 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1. Solve: x/3 = 3/x-8 \n" ); document.write( "x(x-8) = 9 \n" ); document.write( "x^2-8x-9 = 0 \n" ); document.write( "(x-9)(x+1) = 0 \n" ); document.write( "x = 9 or x = -1 \n" ); document.write( "========================= \n" ); document.write( "2. Solve: 3x + 2/x + 2 - 1 = 2x \n" ); document.write( "(3x+2)/(x+2) - 1 = 2x \n" ); document.write( "----- \n" ); document.write( "3x+2 - (x+2) = 2x(x+2) \n" ); document.write( "--- \n" ); document.write( "3x+2 -x-2 = 2x^2+4x \n" ); document.write( "2x^2 +2x + 2 = 0 \n" ); document.write( "x^2 + x + 1 = 0 \n" ); document.write( "Use the Quadratic formula. \n" ); document.write( "=============================== \n" ); document.write( "3. Solve: (x-2)(x-4)(x+1)<0 \n" ); document.write( "Draw a Number Line. \n" ); document.write( "Plot: x = -1, x = 2, x = 4 \n" ); document.write( "--- \n" ); document.write( "Test a value in each interval. \n" ); document.write( "Test x = -10: -*-*- < 0 true \n" ); document.write( "Test x = 0 : -*-*+ < 0 false \n" ); document.write( "Test x = 3 : +*-*+ < 0 true \n" ); document.write( "Test x = 10 : +*+*+ < 0 false \n" ); document.write( "---- \n" ); document.write( "Solution:(-oo,-1)U(2,4) \n" ); document.write( "=========== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( "4. Solve: 3x/x-5 <5 \n" ); document.write( " \n" ); document.write( " |