Arlesjamill Arlesjamill

26-02-2021
Mathematics

contestada

(x-2)^2 equalsto9
answers : x= +1/5 , x=-1 or x=5 , x=1 or x=5 , x=2 or x=3

Respuesta :

jimrgrant1 jimrgrant1

26-02-2021

Answer:

x = - 1 or x = 5

Step-by-step explanation:

(x - 2)² = 9 ( take the square root of both sides )

x - 2 = ± [tex]\sqrt{9}[/tex] = ± 3 ( add 2 to both sides )

x = 2 ± 3

Then

x = 2 - 3 = - 1 or x = 2 + 3 = 5

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