factorise: a(a - 2b - c) + 2bc
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Answer:
a(a - 2b - c) +2bc
a2 -2ab -ac +2 bc
a2- ac ( -2 ab & 2ab have been cancelled)
this the anser.
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Answered by
1
Answer:
a²-2ab-ca+2bc
a²-2ab+2bc-ca
a²-2b(a-c) -ca
a²-ca-2b(a-c)
a(a-c) -2b(a-c)
(a-c) (a-2b)
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