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Which equation has two real solutions? A x^2-4=0 B x-4=0 C x^2+4=0 D x+4=0

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Respuesta

To determine which equation has two real solutions, we need to analyze each equation individually.A. This equation can be factored as . Therefore, the solutions are and . These are two real solutions.B. This equation has only one solution, which is .C. This equation can be rewritten as . Since the square of a real number cannot be negative, this equation has no real solutions.D. This equation has only one solution, which is .Therefore, the equation that has two real solutions is option A: .