Ben is a tour guide at museum. each tour group can have no more than 7 people/ If Ben give tours to 66 people . How many tours w
2 answers:
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Answer: D. (x-6)(x-6)
Step-by-step explanation:
We have the following trinomial, which is also known as perfect square trinomial, because the first and the third term are squares:
(1)
First term:
Third term:
If we factorize this expression we have:
As we can see, the trinomial (1) has two factors:
and
Therefore, the correct option is D.