factors of ab+1- a-b are
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Answered by
0
Answer:
ok I will be able to make sure
Answered by
1
Answer:
ab+1-a-b
=ab-a+1-b
=a(b-1)+1(1-b)
=a(b-1)+1(b-1)
=(b-1)(a+1)
Explanation:
Hope it helps
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