SOLUTION: solve f(x)=x3+3x2+x+3=0
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Question 357133: solve f(x)=x3+3x2+x+3=0
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
x^3+3x^2+x+3=0
x^2(x+3)+1(x+3)=0
(x^2+1)(x+3)=0
x^2+1=0 or x+3=0
x=i, x=-i, or x=-3
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