document.write( "Question 91339: Find all of the zeros of the polynomial 3x^3+ x^2-3x-1. \n" ); document.write( "

Algebra.Com's Answer #66765 by mathispowerful(115) $\"\"$ $\"About$

You can put this solution on YOUR website!
basically this is a solving equation problem\r
\n" ); document.write( "\n" ); document.write( " $\"3x%5E3%2B+x%5E2-3x-1+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( "I am going to solve it by factoring.\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2%283x+%2B+1%29-%283x+%2B+1%29+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%283x+%2B+1%29%28x%5E2-1%29+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%283x+%2B+1%29%28x+%2B+1%29%28x+-+1%29+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( "so 3x + 1 = 0 ===> $\"x+=+-1%2F3\"$ \r
\n" ); document.write( "\n" ); document.write( "x + 1 = 0 ====> x = -1\r
\n" ); document.write( "\n" ); document.write( "x - 1 = 0 =====> x = 1\r
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