Question

fórmula general de X2-13+36=0​

Answer 1

Respuesta:

x²-13x+36=0

x=-$\frac{-13}{2}$±√(-13/2)²-36

x= 13/2±√169/4-36

x=13/2±√25/4

x=13/2±5/2

_____________

x=13/2+5/2

x=13/2-5/2

______________

x=9

x=4

_____________

x1=4,x2=9