document.write( "Question 1127451: Show that the given values are zeros of P(x) and find all other zeros. \r
\n" ); document.write( "\n" ); document.write( "P(X)=3x^4-8x^3-14x^2+31x+6 Values: -2 and 3 \n" ); document.write( "
Algebra.Com's Answer #743864 by josgarithmetic(39625)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Show that the given values are zeros of P(x) and find all other zeros. \r
\n" ); document.write( "\n" ); document.write( "P(X)=3x^4-8x^3-14x^2+31x+6 Values: -2 and 3
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document.write( "-2   |   3   -8   -14   31    6\r\n" );
document.write( "     |\r\n" );
document.write( "     |       -6    28  -28    -6\r\n" );
document.write( "     |____________________________\r\n" );
document.write( "         3  -14    14    3    0      -----remainder 0,  root:   -2\r\n" );
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document.write( "3   |   3   -14   14   3\r\n" );
document.write( "    |\r\n" );
document.write( "    |        9    -15  -3\r\n" );
document.write( "    |______________________    \r\n" );
document.write( "       3     -5   -1   0    ---------remainder 0, root:  +3\r\n" );
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\n" ); document.write( "\n" ); document.write( "The quadratic roots\r
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\n" ); document.write( "\n" ); document.write( "These other two roots are therefore irrational,
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