What must be added to a ²+3ab to make3a²+ab – InterviewSolution

1.	What must be added to a ²+3ab to make3a²+ab
Answer» 2a²- 2AB Step-by-step explanation:3a² + AB - ( a² + 3AB )= 3a² + ab - a² - 3ab = 2a² - 2ab

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