masterynoob29 masterynoob29

21-10-2021
Mathematics

contestada

What is the most appropriate method to solve the quadratic equation x²−16=0?
B. By factoring
A. By extracting the square root
C. By completing the square
D. By using the quadratic formula

Respuesta :

raine0000 raine0000

21-10-2021

By factoring

x^-16=9
(x-4) (x+4) + 0

x-4=0
x = 4

x+4=0
x = -4

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