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What value of g must be added to 4x2 - 18xy + g to make it a perfect square? Please help me... ​

1 Answer

10 votes

Answer:

Explanation:

4x^2 + 18xy + g

The perfect square in question is

(2x + 9y)^2

This expands out to

4x^2 + 18xy + 81y

Not sure how g is in there but 81 or 81y would be the correct answer

User Norbu
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