Question

x²-5x+6=0 formula general

Answer 1

Resolver.

x² - 5x + 6 = 0

a = 1
b = - 5
c = 6

Formula.

x = [ - b +/-√(b² - 4ac)]/2a
x = [ - ( - 5) +/-√((-5)² - 4(1)(6))]2(1)
x =[ 5 +/-√(25 - 24)]/2
x = [5 +/-√1]/2
x₁ = (5 + 1)/2
x₁ = 6/2
x₁ = 3
  o
x₂ = (5 - 1)/2
x₂ = 4/2
x₂ = 2

Solucion.
(3 , 2)