Question

Ecuación 2grado
$- {x}^{2} + 6x - 8 = 0$
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Answer 1

Respuesta:

X¹ = (-6+2)÷-2

X¹ = -4÷-2 = 2

X² = (-6-2)÷-2

X² = -8÷-2 = 4

Explicación:

A = -1

B = 6

C = -8

X = [-6 ±√6²-4x(-1)x(-8)]÷2x(-1)

X = (-6±2)÷-2