document.write( "Question 312985: What are the Real zeros for f(x) = x^3+2x^2-4
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Algebra.Com's Answer #223794 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+graph%28+300%2C+300%2C+-5%2C+5%2C+-10%2C+10%2C+x%5E3%2B2x%5E2-4%29+\"$
\n" ); document.write( "I used Newton's method,
\n" ); document.write( "x(n+1)=x(n)-f(x(n))/f'(x(n))
\n" ); document.write( "with a starting value of $\"x0=1\"$ and got a value of $\"x=1.130395\"$ after 3 iterations. \n" ); document.write( "

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