0
Anonymous
y2 - 16y + 64 = 0
(y - 8)2 = 0
y - 8 = 0
y = 8
Wiki User
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x2 + 12x - 64 = 0 ∴ (x + 16)(x - 4) = 0 ∴ x ∈ {4, -16}
66
64-3 equals = 61
16
64