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If the sum of a number and its square is 182, what is the number ?

If the sum of a number and its square is 182, what is the number ? Correct Answer None of these

Let the number be x
Then,
$$\eqalign{ & \Leftrightarrow x + {x^2} = 182 \cr & \Leftrightarrow {x^2} + x - 182 = 0 \cr & \Leftrightarrow \left( {x + 14} \right)\left( {x - 13} \right) = 0 \cr & \Leftrightarrow x = 13 \cr} $$

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