0
-2
Emery Sporer
Wiki User
∙ 13y agox + y = 2
xy = -4
x = -4/y
(-4/y) + y = 2
-4/y +y2/y = 2
(y2-4)/y = 2
y2-4 = 2y
y2 - 2y - 4 = 0
y2 - 2y - 4 + 5 = 5
y2 - 2y + 1 = 5
(y-1)2 = 5
y - 1 = ±√(5)
y = 1±√(5)
1+√(5) and 1 - √(5)
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