Factorise : A- b - a^2+b^2
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0
Answer:
a-b-a^2+b^2=-a^2-a-b^2-b
=(-a+b)(-a-b)-a-b
=(-a-b)(-a+b-1)
Answered by
1
Answer:
a - b - a2 + b2
= (a - b) - (a2 - b2)
= (a - b) - (a - b) (a + b)
 = (a - b) (1 - a - b)
Step-by-step explanation:
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