What should be added to -3a² + ab - 4 to get -a² + 4ab + 3

1.	What should be added to -3a² + ab - 4 to get -a² + 4ab + 3
Answer» ANSWER: 4ab should be ADDED {PLEASE MARK this answer as the brainliest if it helps} Step-by-step explanation When 4 ab is added,it becomes 9a square+6ab+b square =(3a+b) whole squared

Answer»

ANSWER:

4ab should be ADDED {PLEASE MARK this answer as the brainliest if it helps}

Step-by-step explanation

When 4 ab is added,it becomes

9a square+6ab+b square

=(3a+b) whole squared

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What should be added to -3a² + ab - 4 to get -a² + 4ab + 3

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