Pllss answer this question faaastttt
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Answer:
I don't know but thanks for points
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please don't make me brain list
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Answer:
-a² - 13b² +( 4+b)c²
Step-by-step explanation:
2a² - 8b² + 4c² - ( 3a² + 5b² - bc²)
2a² - 8b² + 4c² - 3a² - 5b² + bc²
-a² - 13b² +( 4+b)c²
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