Question

40 pts! solve the following equation by completing the square.
4x^2 - 16x + 8 = 0

Answer 1

B

Step-by-Step

Answer 2

Explanation:

`4 {x}^(2) - 16x + 8 = 0 \\ {(2x)}^(2) - 2.2x.4 + {4}^(2) - 8 = 0 \\ {(2x - 4)}^(2) - 8 = 0 \\ 2x - 4 = √(8) \: - √(8) \\ x = 2 + √(2) \\ x = 2 - √(2)`

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