x^2 = -2x + 3
x^2 + 2x - 3
D = b^2 + 4ac = 2^2 + 4 × 1 × 3 = 16
x1 = -b - √D / 2a = -2 - 4 / 2 = -3
x2 = -b + √D / 2a = -2 + 4 / 2 = 1
ответ: -3, 1
x^2 = -2x + 3
x^2 + 2x - 3
D = b^2 + 4ac = 2^2 + 4 × 1 × 3 = 16
x1 = -b - √D / 2a = -2 - 4 / 2 = -3
x2 = -b + √D / 2a = -2 + 4 / 2 = 1
ответ: -3, 1