Question 248678
X^3 + 2x^2 + 3x + 6 = 0 rational root
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I graphed it and found a root at x = -2
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Use synthetic division to find the other:
-2)....1....2....3....6
........1.....0...3...|..0


Quotient: x^2 + 3
Remainder: 0
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Solve x^2+3 = 0
x = sqrt(3) or x = -sqrt(3)
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Answer: x = -2, sqrt(3), -sqrt(3)
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Cheers,
Stan H.