Determina m en la ecuación x2 - 6x + m = 0, de modo que las dos soluciones sean iguales. Halla dichas soluciones.
Δ debe ser 0
Δ=(-6)²-4m
Δ=36-4m
36-4m=0
-4m=-36
m=9
x=-(-6)/(2*1)
x= 6/2
x=3
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Δ debe ser 0
Δ=(-6)²-4m
Δ=36-4m
36-4m=0
-4m=-36
m=9
x=-(-6)/(2*1)
x= 6/2
x=3