sydandrileyp8usqq sydandrileyp8usqq

21-05-2018
Mathematics

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one solution of x^2-64=0 is 8. what is the other solution?

Respuesta :

21-05-2018

x² - 64 = 0
(x - 8)(x + 8) = 0

x = - 8, 8

Your other solution is - 8

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KingTrevon KingTrevon

21-05-2018

Step 1: Add 64 to both sides.
x2−64+64=0+64
x2=64
Step 2: Take square root.
x=±√64
x=8 or x=−8
Answer:x=8 or x=−8

Hope this helps :D

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