Question

Упростить
х^2 - 5х + 6
------------------ =
х-2

Answer 1

1) x^2 - 5x + 6 = ( X - 3 )•( X - 2 )
D = 25 - 24 = 1
X1 = ( 5 + 1 ) : 2 = 3
X2 = ( 5 - 1 ) : 2 = 2
2) ( ( X - 3 )( X - 2 )) / ( X - 2 ) = X - 3