juanmanuel234 juanmanuel234

12-08-2019
Mathematics

contestada

Si a 18 se le quita el doble del cuadrado de cierto número, se obtiene cero. ¿Cuál es este número?

Respuesta :

Аноним Аноним

12-08-2019

Answer:

La respuesta es tres mi amigo.

Step-by-step explanation:

El numero es 3 Porque

3 × 3 = 9

9 × 2 = 18

18 - 18 = 0

aquí hay otro método

Formando una ecuación: 18 - 2x ² = 0

donde: 18 = 2x²

entonces: 9 = x²

respuesta: 3 = x

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