What two numbers added together get -20 but when multiplied gets 20?

1 answer:

exis [7]3 years ago

7 0

X + y = -20

xy = 20

x = -20 -y

-20y - y^2 = 20

y^2 + 20y + 20 = 0

y = -1.056 and x = -18.94

or vice versa

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