Question

resolva equacao de 2 grau x^2-5x + 6 = 0

Answer 1

x² - 5x + 6 = 0
a=1, b=-5, c=6
Δ =(-5)² - 4 · 1 · 6
Δ = 25 - 24
Δ = 1

x' = 5  + √1
        2 · 1
x' = 5 + 1
         2
x' =  6 
       2
x' = 3

x" = 5 - 1
         2
x" = 4 
       2
x" = 2