bobdylanlover123 bobdylanlover123

08-09-2021
Mathematics

contestada

Which of the following expressions is equal to - x^2-4?
A. (-x-2i)(x+2i)
B. (-x-2i)(x - 2i)
C. (x + 2i)(x - 2i)
D. (-x +2i)(x-2i)

Respuesta :

ghaithgh ghaithgh

08-09-2021

Answer:

The choice B. (-x-2i)(x - 2i)

Step-by-step explanation:

(-x-2i)(x - 2i) = –x² +2xi-2xi+4i² = – x²– 4

I hope I helped you^_^

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