A ( b-c) - d (c-b ) factorise
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Answered by
4
Answer:
Step-by-step explanation:
a(b-c)-d(c-b)
a(b-c)+d(b-c)
(a+d)(b-c)
Answered by
1
Answer:
=ab-ac-cd+bd
=b(a+d)-c(a+d)
=(a+d)(b-c)
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