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the numbers are positive 5 and negative 4

5 x 4 = 20

5 + (-4) = 1

* * * * *

WRONG! 5*(-4) = -20, NOT 20

The correct answer is the complex conjugate pair, 0.5 ± 4.444097*i where i is the imaginary square root of -1.

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14y ago

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