99x² + 2(1+99)*99/2 = 15048
99x² = 15048 - 9900
99x² = 5148
x² = 52
x₁ = -√52
x₂ = √52
x₁ * x₂ = -52
ответ: -52
99x² + 2(1+99)*99/2 = 15048
99x² = 15048 - 9900
99x² = 5148
x² = 52
x₁ = -√52
x₂ = √52
x₁ * x₂ = -52
ответ: -52