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15-11-2019
Mathematics

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Solve for . Write the smaller solution first, and the larger solution second.
(x - 1)² – 9=0

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dknance dknance

15-11-2019

Answer:

-2 , 4

Step-by-step explanation:

(x - 1)² – 9=0

(add nine to both sides)

(x - 1)² = 9

(square root both sides)

x - 1 = (positive or negative) 3

(add 1)

x = 4 or -2

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