Shimmyviz
Answered

x²+3x+2            3x+3
_______      -    ____
x²+2x+1            x²+2x+1 


Sagot :

Riza1viz
[tex]\frac{x^2+3x+2}{x^+2x+1 }-\frac{3x+3}{x^2+2x+1 }=\frac{x^2+3x+2-(3x+3)}{x^2+2x+1 }=\frac{x^2+3x+2- 3x -3 }{(x+1)^2 }=\\\\=\frac{x^2 -1}{(x+1)^2 }=\frac{(x -1)(x+1)}{(x+1)^2 }=\frac{ x -1 }{ x+1 }[/tex]