6 ) Factorise : (a-b)^2 - 2a + 2b
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Answered by
0
Answer:
(
−
)
2
−
2
+
2
(
−
)
(
−
)
−
2
+
2
2
Answered by
0
Step-by-step explanation:
(a-b)^2-2(a-b)
(a-b)(a-b-2)
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