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Arisa [49]
3 years ago
6

What two number multiply to 2 but add up to -2

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
7 0
xy=2\\
x+y=-2\\\\
xy=2\\
x=-y-2\\\\
(-y-2)y=2\\
-y^2-2y=2\\
y^2+2y=-2\\
y^2+2y+1=-1\\
(y+1)^2=-1 \Rightarrow y\in \emptyset


There are no such numbers in real numbers.
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