add the following
3a² + 4ab - b² , 7b² - 4ab + 2a² , a² + b²
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Answered by
3
Answer:
6a² + 7b²
Step-by-step explanation:
3a² + 2a² + a² + 4ab - 4ab - b² + 7b² + b²
= 6a² + 7b²
Answered by
2
Answer:
=3a²+4ab-b²+7b²-4ab+2a²+a²+b²
= 6a² + 7b²
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