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Solve for x (x - 4)^2=16

1 Answer

3 votes

Answer:

x = 0, 8

Explanation:


{(x - 4)}^(2) = 16 \\ (x - 4) = \pm √(16) \\ x - 4 = \pm \: 4 \\ x - 4 = 4 \: or \: x - 4 = - 4 \\ x = 4 + 4 \: or \: x = 4 - 4 \\ x = 8 \: or \: x = 0 \\ x = \{0, \: \: 8 \}

User Gabriel Bleu
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