(2a-3)^2 - 2(2a-3) (a-1) + (a-1)^2 FACTORISE IT
answer it correctly to win the crown
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Answered by
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Answer:
(a+2) (a+2)
Step-by-step explanation:
(2a-3)²-2(2a-3)(a-1)+(a-1)²
=(2a-3)²-2·(2a-3)·(a-1)+(a-1)²
=(2a-3-a+1)²[using (a+b)²]
=(a+2)(a+2)
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