26-04-2020
Mathematics

contestada

Could you please explain

find an equation for i, -i, -4, 1 = x as its solution

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SH1NRAA SH1NRAA

26-04-2020

We can do this easily using 0s.

(x - i) (x + i) (x + 4) (x - 1) = 0

If you plug in any of the numbers, you'll get 0, making the equation true.

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