document.write( "Question 134881This question is from textbook
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document.write( ": Solve the equation by finding all real roots.
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document.write( "x^3-7x+15x-9=0\r
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document.write( "i have this\r
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document.write( "1 -7 15 -9 /(divided by) 1.\r
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document.write( "x^2-6x+9
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document.write( "(x+1) (x^2-6x+9)
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document.write( "it says factor again and where is the soultion \n" );
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Algebra.Com's Answer #98738 by stanbon(75887) ![]() You can put this solution on YOUR website! Solve the equation by finding all real roots. \n" ); document.write( "x^3-7x+15x-9=0 \n" ); document.write( "i have this \n" ); document.write( "1 -7 15 -9 /(divided by) 1. \n" ); document.write( "x^2-6x+9 \n" ); document.write( "(x+1) (x^2-6x+9) \n" ); document.write( "it says factor again and where is the soultion \n" ); document.write( "--------------------------- \n" ); document.write( "1)....1....-7....15....-9 \n" ); document.write( "......1....-6....9....|..0 \n" ); document.write( "So 1 is a Real zero \n" ); document.write( "---------------------- \n" ); document.write( "Factorx^2-6x+9 to get (x-3)^2 \n" ); document.write( "So 3 is a Real zero with multiplicity two. \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |