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Wiki User
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Casey Heaney ∙
xy = 4
x + y = -3
x = -3 - y = -(y+3)
-y2 + 3y - 4 = 0
which can be factored to
(4 - x)(x + 1) = 0. So x has two possible solutions: x = 4 or x = -1. If x = 4, then y = -1. If x = -1, then y = 4.
7
-3
4 1
3*4=12 3+4=7 hope this helps
-3 and -3.
-31
-40
-11
19
4
-13
-56