Question
Subtract $4 a-7 a b+3 b+12$ from $12 a-9 a b+5 b-3.$
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Answer
For subtraction, write the like terms one below the other, we get
Thus, the required answer is 8a - 2ab + 2b - 15.
Thus, the required answer is 8a - 2ab + 2b - 15.
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