document.write( "Question 331821: the roots of x3+x2-20x=0 \n" ); document.write( "

Algebra.Com's Answer #237846 by jrfrunner(365) $\"\"$ $\"About$

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the roots of $\"x%5E3%2Bx%5E2-20x=0\"$
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\n" ); document.write( "\n" ); document.write( "Since this is a polynomial of degree 3, there are 3 roots
\n" ); document.write( "Factor out the common x
\n" ); document.write( " $\"x%5E3%2Bx%5E2-20x+=+x%2A%28x%5E2%2Bx-20%29+=+0\"$
\n" ); document.write( " $\"x%5E3%2Bx%5E2-20x+=+x%2A%28x%2B5%29%28x-4%29+=+0\"$
\n" ); document.write( "x=0 , x=-5, x=4\r
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