SOLUTION: Find all zeros. One zero has been given F(x)=3x^3+2x^2-12x-8 ;2

Question 860137: Find all zeros. One zero has been given
F(x)=3x^3+2x^2-12x-8 ;2
Found 2 solutions by Fombitz, ewatrrr:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

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So then,

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi,
F(x)=3x^3+2x^2-12x-8 x = 2 one root
Using Synthetic Division to find other
2 3 2 -12 -8
6 16 8
3 8 4 0
F(x)= (x-2)(3x^2 + 8x + 4) = (x-2)(3x+2)(x+2)
All zeros are: -2, -2/3, 2

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