已知x2+2x-1=2,则2x2+4x-8=______.
已知x2+4x+y2-2y+5=0,则x2+y2=______.
已知x2+x-1=0,则x3+2x2+2004=______.
已知x2+x-1=0,则x3+2x2+2011=______.
已知x2-x-1=0,则-x3+2x2+2005的值为______.
已知x2+x-1=0,则x3-2x+4的值为______.
x2-x-1=0,则2x3+7x2-11x+2012=______.
已知(x2+2x-3)0=x2-3x+3,则x=______.
已知f(x-1)=x2-2x,则f(3)等于______.
已知x/﹙x2-3x+1﹚=2,则x2/x的4次方+x2+1=
已知(x2+mx+n)(x2-3x+2)的展开式中不含x2项和x项,则m=______,n=______.
已知x2+x-1=0,则代数式x3+2x2+2008的值为______.
已知x=2011,则|4x2-5x+9|-4|x2+2x+2|+3x+7=______.