document.write( "Question 1094824: Solve the equation x^3-9x+10=0 , expressing non-integer roots in the form c+/-d(sqrt6) , where c and d are integers. \n" ); document.write( "

Algebra.Com's Answer #709448 by ikleyn(52786) $\"\"$ $\"About$

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document.write( "x^3-9x+10 = 0 .\r\n" );
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document.write( "1.  Notice that x= 2 is the root.\r\n" );
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document.write( "2.  According to the Remainder theorem, it means that the given polynomial of degree 3 is divided by the binomial (x+2) without a remainder.\r\n" );
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document.write( "3.  Divide  x^3-9x+10  by (x+2)   (long division).\r\n" );
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document.write( "    You will get a quadratic polynomial.\r\n" );
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document.write( "4.  Find the roots of this quadratic polynomial using quadratic formula.\r\n" );
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