x^2-16/2x+8

*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 分解因式：x*x*x*x+2*x*x*x-9*x*x-2x+8 x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x x^2-8x+16分之x^2-4x (x^2 + 4x)(x^2 + 4x+8)+16 （x^2-4x）/x^2-8x+16 (x^2-4x)(x^2-4x+8)+16 因式分解：(X+2)(X+4)(X+6)(X+8)+16 计算(x+/1x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-1) (x+1/x)(x^2+1/x^2)(x^4+1/x^4)(x^8+1/x^8)(x^16+1/x^16)(x^2-1) (x+x^-1)(x^2+x^-2)(x^4+x^-4)(x^8+x^-8)(x^16+x^-16)(x^2-1)=? 1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做 (x^2-8x+16)/(4-x^2)/(16-x^2)/(4+4x+x^2) x/x-2=x²-8x+16/x²²-4x+4 (x+1)(x^2+1)(x^4+1)(x^8+1)(x^16+1)(x-1) x=1-x/2+x/4-x/8+x/16-x/32 X,2X,4X,8X,16X,32X,.第N个单项式为什么