SOLUTION: Show that -i is a root of x^3+5x^2+x+5=0

SOLUTION: Show that -i is a root of x^3+5x^2+x+5=0

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Question 370240: Show that -i is a root of x^3+5x^2+x+5=0
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Substitute in the equation.

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