document.write( "Question 1068311: describe how to find the polynomial from the following roots: 0,0,3,-3
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Algebra.Com's Answer #683537 by Boreal(15235)\"\" \"About 
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root of 0 is factor x.
\n" ); document.write( "When there are two roots of 0, the factor is x^2
\n" ); document.write( "root of 3 means factor (x-3), because x-3=0 gives root 3
\n" ); document.write( "root of -3 means factor (x+3)
\n" ); document.write( "(x+3)(x-3)x^2 are the factors
\n" ); document.write( "x^2(x^2-9)=0;
\n" ); document.write( "x^4-9x^2=0
\n" ); document.write( "Note, a repeated root \"bounces\" off the x-axis.
\n" ); document.write( "\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E4-9x%5E2%29\"
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