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

1 Answer

3 votes

Answer:

x = - 1 or x = 5

Explanation:

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

x - 2 = ±
√(9) = ± 3 ( add 2 to both sides )

x = 2 ± 3

Then

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

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