Question

1/5 x^2 = 14 помогите решить!!!!!!!!!

Answer 1

$\frac{1}{5} {x}^{2} = 14 \\ \\ {x}^{2} = 14 \times 5 \\ {x}^{2} = 70 \\ \\ x1 = \sqrt{70} \\ x2 = - \sqrt{70}$
Готово.