Question

ײ - 5×+ 6 = 0
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Answer 1

Resposta:

(3, 2).

Explicação passo a passo:

x² - 5x + 6 = 0

x = - (-5) ± √(-5)² - 4 . 1 . 6/2 . 1

x = 5 ± √25 - 24/2

x = 5 ± √1/2

x = 5 ± 1/2

x' = 5 + 1/2

x' = 6/2

x' = 3.

x" = 5 - 1/2

x" = 4/2

x" =2.