Question

$4^{2} - 4x + 1 = 0$
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Answer 1

Resposta:

4² - 4x + 1 = 0

16 - 4x + 1 = 0

- 4x = - 1 - 16

- 4x = - 17 . ( -1)

  4x = 17

    x = 17 / 4

bons estudos!