p² +p-(a + 1)(a + 2)
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Answer:
(p-a-1) (p+a+2)
Step-by-step explanation:
.= p² + (a + 2 ) p - (a + 1) p - (a+1)(a+2) [∵ a+2-a+1 = 1]
.= p (p+a+2) - (a+1) (p+a+2)
.= (p-a-1) (p+a+2)
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