Question

(x^2+2):3-2=15
es para hoy ​

Answer 1

Respuesta:

$( {x}^{2} + 2 ) \div 3 - 2 = 15 \\ ( {x}^{2} + 2) \div 3 = 15 + 2 \\ ( {x}^{2} + 2) \div 3 = 17 \\ {x}^{2} + 2 = 17 \times 3 \\ {x}^{2} + 2 = 51 \\ {x}^{2} = 51 - 2 \\ {x}^{2} = 49 \\ x = \sqrt{49} \\ x = ±7$