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

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

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User Mardoxx
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8.9k points

1 Answer

3 votes
3181, just a basic substitution problem
answered
User Estevan
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8.0k points
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