Factorise:(a-b) +(b-c) +(c-a)
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1
= a - b +b -c +c -a
cut them and doing that the answer will come 0
cut them and doing that the answer will come 0
Answered by
0
the answer is 0
a-b+b-c+c-a all gets cancelled
a-b+b-c+c-a all gets cancelled
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