adding ( ) to 3ab +2xy y2 we ger 3ab
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Add x2 + 2xy + y2 to the sum of x2 − 3y2 and 2x2 − y2+ 9. ... Answer: First, we need to find the sum of 2a3 - 3b3 - 3ab + 7 and - a3 + b3 + 3ab - 9.
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