umama32 umama32

26-08-2019
Mathematics

contestada

find the product of (x² - 5)² using identities

Respuesta :

ghanami ghanami

26-08-2019

Answer:

Step-by-step explanation:

by idetity : (a - b)²= a² +b² -2ab

for : (x² - 5)² you have a = x² and b = 5

(x² - 5)²= (x²)²+5² - 2(5)(x²)

(x² - 5)²= x^4+25 -10x²

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