what should be added to 2a²+3ab+3b² to obtain 5ab+b²
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Answer:
2a² + 3ab + 3b² + x = 5ab + b²
x = 5ab + b² - 2a² - 3ab - 3b²
x = 2ab - 2b² - 2a²
x = 2ab - 2b² - 2a²
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