a(b - c) + b(c - a) + c(a - b)
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Answered by
2
Step-by-step explanation:
a(b - c) + b(c - a) + c(a - b) = ab - ac + bc - ab + ca - cb
= 0
Answered by
2
Answer:
ab-ac+bc-ab+ac-bc
ab-ab+ac-ac+bc-bc
0 100% right
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