Question

х-7/9 х2=0 решите уравнение

Answer 1

$x - \frac{7}{9} {x}^{2} = 0 \\ - \frac{7}{9} {x}^{2} + x = 0 \\ x( - \frac{7}{9}x + 1 ) = 0 \\ x = 0 \: or \: - \frac{7}{9} x = - 1 \\ x = 0 \: or \: x = 1 \frac{2}{7}$