1.

What should be added to 2a2+3ab+3b2 to obtain 5ab+b2?

Answer»

Answer:

2ab - 2b2 - 2A2

Step-by-step explanation:

5AB + B2 - ( 2a2 + 3AB + 3b2 )

= 5ab + b2 - 2a2 - 3ab - 3b2

= 2ab - 2b2 - 2a2



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