Question

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Answer 1

8 / ( х - 3 ) = 2х - 6
Х не равен 3
8 / ( х - 3 ) = 2( х - 3 )
8 = 2( х - 3 )^2
8 = 2( х^2 - 6х + 9 )
2х^2 - 12х + 18 - 8 = 0
2( х^2 - 6х + 5 ) = 0
D = 36 - 20 = 16 ; V16 = 4
X1 = ( 6 + 4 ) : 2 = 5
X2 = ( 6 - 4 ) : 2 = 1
Ответ 5 ; 1