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If (2x + 3y)^2 = 4 and xy = -5, what is the value of 4x^2 + 9y^2?

If (2x + 3y)^2 = 4 and xy = -5, what is the value of 4x^2 + 9y^2?
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If (2x + 3y)^2 = 4 and xy = -5, what is the value of 4x^2 + 9y^2?

asked
User Luis Milanese
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7.4k points

1 Answer

5 votes

Explanation:

Answer: 4 - 12(-5) = 64.

answered
User Imperezivan
by
7.9k points
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