add this = 3a²b, -2a²b, 13a²b and - 3a²b
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Answered by
2
Answer:
i think 11a2b
Mark me brainliest if it's right...
Answered by
2
Answer:
= 3a^2b - 2a^2b + 13 a^2b - 3a^2b
= 11a^2b
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