mjtobocaicedo mjtobocaicedo

24-07-2020
Mathematics

contestada

En la ecuación x2 + 2x −p = 0 una de las soluciones es -5, ¿cuál es el valor de p?

Respuesta :

zarampa zarampa

06-08-2020

Answer:

p = 15

Step-by-step explanation:

Si

x₁ = -5

entonces:

x² + 2x - p = 0

-5² + 2*-5 - p = 0

25 - 10 - p = 0

15 - p = 0

15 = p

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