Write the value of x^2+y if- x+2=y xy=8 and- x and y are positive.
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x²+y=?
-x+2=y
xy=8
(x+y)²=x²+2xy+y²
=x²+16+y²=
x²+16+(-x+2)²=
x²+16+x²-4x+4=
2x²+20-4x/2=
x²+10-2x
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