Назовите корни уравнения: в) -9/100x^2+9=0 (/-это дробь)

(-9/100x²)+9=0  (-9/100x²) +9(*100x²)=0 -9+900x²/100x²=0 -9+900x²/100x²=0 100x²≠0                x≠0 -9+900x²=0 900x²=9  x²=9/900  x²=1/100  x=±√(1/100)=±1/10=±0.1 x1=0.1 x2=-0.1