Respuesta:
Explicación:
2 x^2 + 6 x = -7
2 x (x + 3) = -7
4/5 (x + 3/2)^2 = -1
2 x^2 + 6 x + 7 = 0
x = -1/2 i (sqrt(5) + -3 i)
x = 1/2 i (sqrt(5) + 3 i)
2x^2+6x=-7
2x^2+6x-7=0
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Respuesta:
Explicación:
2 x^2 + 6 x = -7
2 x (x + 3) = -7
4/5 (x + 3/2)^2 = -1
2 x^2 + 6 x + 7 = 0
x = -1/2 i (sqrt(5) + -3 i)
x = 1/2 i (sqrt(5) + 3 i)
Respuesta:
2x^2+6x=-7
2x^2+6x-7=0