document.write( "Question 947961: How to find exact zeros of p(x)=x^4+7x^3+13x^2-3x-18 \n" ); document.write( "

Algebra.Com's Answer #578545 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"graph%28300%2C300%2C-5%2C5%2C-5%2C5%2Cx%5E4%2B7x%5E3%2B13x%5E2-3x-18%29\"$
\n" ); document.write( "Looks like $\"x=-3\"$ , $\"x=-2\"$ , and $\"x=1\"$ are the zeros.
\n" ); document.write( "Verify plugging in the value,
\n" ); document.write( " $\"%28-3%29%5E4%2B7%28-3%29%5E3%2B13%28-3%29%5E2-3%28-3%29-18=81-189%2B117%2B9-18=0\"$
\n" ); document.write( "Verify that this is true for the remaining two values.
\n" ); document.write( " \n" ); document.write( "

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