add the following. answer with full explanation. answer should be a^2
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Answer:
1. 6a², -4a², a², -2a²
= 6a² ± (-4a²) + a² + (-2a²)
= 6a² - 4a² + a² - 2a²
= 7a² - 6a²
= a² Answer
Hope its Right
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