Question 735982
{{{
1/4(x+1)+3/4(x-1)+1/2(x-1)^2
}}}


{{{
(x-1)^2/(4(x+1)(x-1)^2)+(3(x-1)(x+1))/(4(x-1)(x-1)(x+1))+((2)(x+1))/(2(x-1)^2(2)(x+1))
}}}


{{{
(x^2-2x+1+3x^2-3+2x+2)/(4x^3-4x^2-4x+4)
}}}


{{{
x^2/(x^3-x^2-x+1)
}}}