Factorise the following expressions.
(a―b)^2+(a―b)
Answers
Answered by
3
(a-b)²+ (a-b)
(a-b) [(a-b) +1]
(a-b) [a-b+1]
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Answered by
5
Answer:
(a-b)^2 + ( a-b)
= a^2 -2ab +b^2 + a-b
= a^2 -2ab -a +b^2 -b
= a(a-2b - 1)+ b (b-1)
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