Question 1169662
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It is enough to check if f(4) = 0.


<U>CHECK</U>.  f(4) = 4*4^2 + 6*4 + 32.


        You even do not need make calculations: the sum of positive addends CAN NOT be equal zero.
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The answer is &nbsp;&nbsp;CLEAR : &nbsp;&nbsp;__NO__.


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Solved.