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24-03-2022
Mathematics

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solve ~
[tex]x {}^{2} - 5x + 6 = 0[/tex]

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isalep93 isalep93

24-03-2022

Δ = (-5)² - 4*1*6 = 25 - 24 = 1 = 1²

x' = (5 + 1) / (2*1) = 6/2 = 3

x" = (5-1) / (2*1) = 4/2 = 2

2 solutions : 2 and 3

x² - 5x + 6 = (x - 2) (x - 3)

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