Question 671880
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Hi,
{{{f(x)=x^3+10x = x(x^2 + 10)}}} = 0,  IF x^2 + 10 = 0 &#8658; x = ± {{{i*sqrt(10)}}} zeroes are  0,{{{i*sqrt(10)}}},-{{{i*sqrt(10)}}}
Note: x^2 = -10 &#8658; x = ± {{{sqrt(10(-1))}}} 0r  x = ± {{{sqrt(10i^2)}}}