Question

(4.5a + 1.5b)² + (4.5b + 1.5a)² *



20.25a² + 2.25b² - 27ab + 20.25b² + 2.25a²

20.25a² + 2.25b² + 27ab + 20.25b² + 2.25a²

40.5a² + 4.5b² - 27ab

20.25a² + 2.25b² + 1ab + 20.25b² + 2.25a²

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Answer 1

Answer:

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Step-by-step explanation:

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