document.write( "Question 1114756: Find the zeros of f(x)=2x^3-4x^2-5x+1. You are given (x+1)=-1 as azero. \n" ); document.write( "

Algebra.Com's Answer #729686 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
This is a bad way to say it:
\n" ); document.write( "--
\n" ); document.write( "(x+1)=-1 as a zero.
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\n" ); document.write( "\n" ); document.write( "Just say, either x+1 is a factor of f; or say that -1 is a zero of f.\r
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document.write( "-1   |   2   -4   -5   1\r\n" );
document.write( "     |\r\n" );
document.write( "     |       -2    6   -1\r\n" );
document.write( "     |__________________________\r\n" );
document.write( "        2   -6     1    0\r\n" );
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\n" ); document.write( "\n" ); document.write( " $\"f%28x%29=%28x%2B1%29%282x%5E2-6x%2B1%29\"$
\n" ); document.write( "and next yhou want to factorize or find zeros of the quadratic factor.\r
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\n" ); document.write( "\n" ); document.write( "Zeros for the quadratic factor
\n" ); document.write( " $\"%286%2B-+sqrt%2836-4%2A2%29%29%2F4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%286%2B-+sqrt%2828%29%29%2F4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%286%2B-+2%2Asqrt%287%29%29%2F4\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28%283%2B-+sqrt%287%29%29%2F2%29\"$ -------the two other real but irrational roots. (zeros) \n" ); document.write( "

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