Question

cual es el valor de x
3x2-147=0

Answer 1

☁️Hola☁️

$3 {x}^{2} - 147 = 0 \\ 3 {x}^{2} = 147 \\ {x}^{2} = \frac{147}{3} \\ {x}^{2} = 49 \\ x = ± \sqrt{49} \\ x = ±7$

✉️:✨Awika✨