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) You can put this solution on YOUR website! 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( " |