simplify : a (b-c) -b(c-a) -(a-b)
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Answer:
In case there is a c before (a - b), the answer is 2a(b - c)
Step-by-step explanation:
On expanding a(b - c) - b(c - a) - c(a - b)
= ab − ac − bc + ab − ca + bc
= ab − ac − bc + ab − ac + bc
= 2ab − 2ac
= 2a(b - c)
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