add the following expressions:
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Answered by
3
Answer:
answer is 4a²b
Step-by-step explanation:
5a²b+(-8a²b)+7a²b
12a²b-8a²b
4a²b
hope it helps you
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Answered by
1
Answer:
5a²b + (-8a²b) + 7a²b = 5a²b - 8a²b + 7a²b = 4a²b
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