25-08-2020
Mathematics

contestada

Evaluate ( z^2 + 4 ) ( z^2 – 5)

Respuesta :

25-08-2020

Answer:

z^4-z²-20

Step-by-step explanation:

( z^2 + 4 ) ( z^2 – 5)

z^4+4z²-5z²-20

z^4-z²-20

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