Answer:
D. It's middle term is always negative.
Step-by-step explanation:
A square of a binomial (perfect square), means that the two binomial terms are the same. Therefore, both terms will include either a double positive (which would result in a positive answer), or a double negative, (which, by the law of multiplying double negatives, would result in a positive answer).
Therefore, D will be the correct "incorrect" answer.
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