SOLUTION: find all zeroes of the polynomial function h(x) = x^4 + 4x^3 + 7x^2 + 16x + 12

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Question 705694: find all zeroes of the polynomial function

h(x) = x^4 + 4x^3 + 7x^2 + 16x + 12

Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Neat! No minus signs!
Rational Roots Theorem suggests to try binomials of (x+2), (x+3), (x+6), or (x+12).

%28x%5E4+%2B+4x%5E3+%2B+7x%5E2+%2B+16x+%2B+12%29%2F%28x%2B2%29=?

%28x%5E4+%2B+4x%5E3+%2B+7x%5E2+%2B+16x+%2B+12%29%2F%28x%2B6%29=?

...anything else?