factorize a(a-1)-b(b-1)
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Answered by
3
Answer:
A²-a-b²+b
a²-b²-(a-b)
(a+b)(a-b)-(a-b)
(a-b)(a+b-1)
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Answered by
0
Answer:
Step-by-step explanation:
a(a-1)-b(b-1)
=a²-a-b²-b
=a²-b²-(a+b)
(a+b)(a-b)-(a+b) [a²-b²=(a+b)(a-b)]
Therefore ans= (a-b)(a+b-1)
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