simplify : c(b-a) +b(a-c) - a(b-c)
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8
c(b-a) +b(a-c) - a(b-c)
=bc-ac+ab-bc-ab+ac
=0
=bc-ac+ab-bc-ab+ac
=0
Answered by
5
c(b-a) +b(a-c) -a(b-c)
= bc-ac + ab - bc - ab +ac
= 0 [ everything canceled]
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