The answer is: 2(x−6)(x+2)<span>
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Answer:

Step-by-step explanation:
(alternate exterior angles are congruent when a transversal cuts across two straight lines)
(collecting like terms)

(dividing both sides by -1)

I would say. C
Since 100 factor is 10b. And -144 is 12a^2
hope this helps and you get it right