SOLUTION: Given -5i is a root determine all other roots of f(x)=x^3+5x^2+25x+125
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Question 732062: Given -5i is a root determine all other roots of f(x)=x^3+5x^2+25x+125
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
...factor completely
set
if ...=>.....=>.....=>... or
if ..=>...
so, roots are:
...real
.......complex
......complex
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