ianswanson45 ianswanson45

08-04-2017
Mathematics

contestada

Rewrite x^2+9 as a multiplication using complex numbers and the polynomial identity below u^2+v^2=(u+VI)(u-vi)

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ghanami ghanami

08-04-2017

hello :
in : C
x²+9 = (x-3i)(x+3i) ..... i²= -1

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KateLove300482 KateLove300482

16-10-2018

Answer:

(x + 3i) (x - 3i) is what I got.

I got 100% on my practice so it shouldn't be wrong. :)

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