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- May 18th 2010, 12:00 PMeichyessfind the zeros of...
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- May 18th 2010, 12:55 PMbigwavesince this is already factored out
presume you mean find the values of x so that

$\displaystyle x^2(x+3)(x^2-1) = 0$

since this is already factored out. then setting any one of the factors to zero will work so..

if $\displaystyle x^2 = 0$ then $\displaystyle x = 0$

if $\displaystyle x+3=0$ then $\displaystyle x=-3$

if $\displaystyle x^2-1 = 0$ then$\displaystyle x= 1 $or $\displaystyle x= -1$

http://www4a.wolframalpha.com/Calcul...51&w=299&h=124