√(2y) + 3 = 11
√(2y) = 11 - 3 = 8
√2 x √y = 8
√y = 8/√2
y = (8/√2)2 = 64/2 = 32
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It cannot be solved because the discriminant of the quadratic equation is less than zero
You cannot solve one equation in two unknowns.
This quadratic equation has no solutions because the discriminant is less than zero.