document.write( "Question 52872: I am having trouble with solving inequalities. Can you please help?\r
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document.write( "Solve the inequality: x^2-8x≤4x-36\r
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document.write( "If you could help I will greatly apprecaite it.\r
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document.write( "Thanks in advance. \n" );
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Algebra.Com's Answer #35263 by funmath(2933)![]() ![]() ![]() You can put this solution on YOUR website! Set the problem <=0 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Solve as if it's an equality, factor and solve for x: \n" ); document.write( " \n" ); document.write( "x-6+6=0+6 \n" ); document.write( "x=6 \n" ); document.write( "Since this is an inequality, we have to check values bigger and smaller than 6 to see what kind of inequality sign that we need. \n" ); document.write( "When x=0, \n" ); document.write( "(0-6)(0-6)=36, which is not less than 0. \n" ); document.write( "When x=7 \n" ); document.write( "(7-6)(7-6)=1*1=1, which is also not less than 0. \n" ); document.write( "Therefore, the only value for which \n" ); document.write( " \n" ); document.write( " is x=6 \n" ); document.write( "Interval notation:[6] \n" ); document.write( "Set notation:{6} \n" ); document.write( "Set Builder Notation:{x|x=6} \n" ); document.write( " |