document.write( "Question 1209411: Find all solutions of the equation |x^2 - 30x - 1| = 30 + |6x - 2| + |x^2 - 20x - 4|. \n" ); document.write( "

Algebra.Com's Answer #848770 by Edwin McCravy(20064) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Get 0 on the right:\r\n" );
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document.write( "Graph the left side in your TI-84 calculator. \r\n" );
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document.write( "The \"abs\" feature is found this way: MATH NUM 1:abs(\r\n" );
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document.write( "Put it in Y1 like this:\r\n" );
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document.write( "abs(x^2 - 30x - 1) - 30 - abs(6x - 2) - abs(x^2 - 20x - 4)\r\n" );
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document.write( "Set the window Xmin=-10, Xmax=25, Ymin=-40, Ymax=60\r\n" );
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document.write( "Your graph will look something close to this:\r\n" );
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document.write( "Use the zero feature of the calculator, and you'll find three solutions\r\n" );
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document.write( "The \"zero\" feature is found 2ND TRACE 2:zero\r\n" );
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document.write( "x = -7.25,   x = 7.75,  and x = 21.464225\r\n" );
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document.write( "Edwin

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