Question

Calculati:
1)3-x/x+2-x/3+x
2)2-1/1-x

Answer 1

1)3-x/x+2-x/3+x=
=3-x/x+2+2/3 x
=3(3-x)+2x*(x+2)/3(x+2)
=9-3x+2x la a 2a +4x/3x+6
=9+x+2x la a 2a/3x+6
=2x la a2a +x+9/3x+6
2)2-1/1-x=
=1/1-x