(a - 2b) (b- 3a) + (a + b) (a - 3b) -(b-3a) (4a - 5b)
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(a - 2b) (b- 3a) + (a + b) (a - 3b) -(b-3a) (4a - 5b)
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Step-by-step explanation:
Answer
9a+6b
5a+3b a−2b3a+5b