# If x²+4y²=40 and xy=6, what will be the value of x+2y?

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### Question Description

If x²+4y²=40 and xy=6, what will be the value of x+2y? Please explain how you arrived at your answer.

TutorD7
School: Cornell University

So basically x²+4y² would simplify to (x+2y)^2 - 4xy. In that case, we c...

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