plz its very imporatant
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Answer:
the answer is the first one
u r right
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Answer:
(a - b)(a - b)
Step-by-step explanation:
a2 - 2ab + b2
= (a)2 + 2 x a x b + (b)2 ( using (a-b)2 formula)
= (a-b)2
= (a-b)(a-b)
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