Question

ache os valores de x nas funções f(x) = x² - 5x + 6

Answer 1

x^2-5x+6=0
delta=b^2-4.a.c
delta = (-5)^2-4.1.6
delta=25-24
delta=1
x=-b-/+ raiz de delta / 2a
x=-(-5)-1/2.1
x=5-1/2
x=4/2
x=2
x=-b-/+ raiz de delta / 2a
x=-(-5)+1/2.1
x=5+1/2
x=6/2
x=3.