Laaneyy Laaneyy

17-05-2017
Mathematics

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What two numbers multiply together to get 20 and add together to get -32

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babymariodad babymariodad

17-05-2017

If you have not studied this subject yet you might have mis-copied the Q.
xy = 20
x + y = -6
x + 20/x + 6 = 0
x^2 + 6x + 20 = 0
quadratic formula
Select one solution x = - 3 + sqrt(11)i
y = - 6 - [- 3 + sqrt(11)i] = - 3 - sqrt(11)i

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