Question

genteeeeeeeeeeeeeeeeeeee me ajudem a resolver essa equacao ; x ao quadrado - 5x+4=0 poooor favooooooooooooooooooooooor

Answer 1

x^2 - 5x + 4 = 0
x = 5 +- 3/2
x' = 4
x" = 1

S = { 4 ; 1 }