Question

resposta da conta x²-5x+4=0

Answer 1

Ola Gilcilene

x² - 5x + 4 = 0

a = 1
b = -5
c = 4

delta
d² = b² - 4ac
d² = 25 - 16 = 9
d = 3

x1 = (5 + 3)/2 = 4
x2 = (5 - 3)/2 = 1

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