Respostas

2013-08-17T18:20:57-03:00
X² - 7x + 10) : (x - 2)

= (x² - 2x - 5x + 10 ) : (x - 2 )

= [x(x - 2) - 5(x - 2)] : ( x - 2 )

= (x - 5)(x - 2) : (x - 2)

= x - 5
1 5 1