This is nearly the same problem that I did for you a couple of weeks ago. Just do that process.
Your answer should be (x+a)(x-a+2)
Ubi caritas est vera, Deus ibi est.
"The mark of your ignorance is the depth of your belief in injustice and tragedy. What the caterpillar calls the end of the world, the Master calls the butterfly." ~ Richard Bach
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