Answer:
3a +4ab-b²+7b²-4ab+ 2a²+a²+b²=3a+7b²+3a²
Explanation:
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Answers & Comments
Answer:
3a +4ab-b²+7b²-4ab+ 2a²+a²+b²=3a+7b²+3a²
Explanation:
Answer:
I don't know po
I'm sorry!