3 years ago

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

Mathematics

2 answers:

sergij07 [2.7K]3 years ago

4 0

Answer:

Step-by-Step

sammy [17]3 years ago

3 0

Step-by-step explanation:

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

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Plzz mark it as a brilliant answer

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