a' (2b - a?) - 2b (a? - a?) + 3a (a - b)
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Answer:
-2a+b -8c
Step-by-step explanation:
=a−b−4c−3a+2b−4c
=−2a+b−8c=a−b−4c−3a+2b−4c
=−2a+b−8c
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