Пусть T^2 - 9T = A
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A^2 + 22A + 112 = 0
D = 484 - 448 = 36 ; √ D = 6
A1 = ( - 22 + 6 ) : 2 = - 8
A2 = ( - 22 - 6 ) : 2 = - 14
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T^2 - 9T = - 8
T^2 - 9T + 8 = 0
D = 81 - 32 = 49 ; √ D = 7
T1 = ( 9 + 7 ) : 2 = 8
T2 = ( 9 - 7 ) : 2 = 1
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T^2 - 9T = - 14
T^2 - 9T + 14 = 0
D = 81 - 56 = 25 ; √ D = 5
T3 = ( 9 + 5 ) : 2 = 7
T4 = ( 9 - 5 ) : 2 = 2
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ОТВЕТ : 1 ; 2 ; 7 ; 8