0
x+y = 1 so y = 1-x
xy = -56
Substitute,
x(1-x) = 56
or
-x2 + x -56 = 0
or you could multiply both sides by -1 and get
x2 - x + 56 = 0.
Solve that. You can use the quadratic formula with a = 1, b = -1, and c = 56
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoThey are -7 and 8.
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