( V 12 + X) ^2 + 2 * (V 12+X )* (V 1 - X) + ( V 1 - X)^2 = 1
( 12 + X + 1 - X ) + 2 * ( V ( 12 + X )*(1 - X) ) = 1
2 * V ( 12 + X) * ( 1 - X) = 1 - 13 = ( - 12)
V ( 12 + X) *( 1 - X ) = ( - 6)
( 12 + X) * ( 1 - X) = 36
12 - 11X - X^2 - 36 = 0
- X^2 - 11X - 24 = 0
D = 121 - 4 * (-1)*(-24) = 121 - 96 = 25 ( V D = 5)
X1 = ( 11 + 5) \ (-2) = 16 \ (-2) = ( - 8)
X2 = 6 \ (-2) = ( - 3)
ОТВЕТ: минус три и минус восемь