X^2 + 6X + 9 = ( X + 3)*(X + 3 )
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( X - 1)*( X + 3)*(X + 3) = 5 *( X + 3 )
( X - 1)*( X + 3) = 5
X^2 + 3X - X - 3 - 5 = 0
X^2 + 2X - 8 = 0
D = 4 + 32 = 36 ; √ D = 6
X1 = ( - 2 + 6) : 2 = 2
X2 = ( - 8) : 2 = ( - 4 )
ОТВЕТ 2 и ( - 4 )