x^4-2^3-6x^2+6x+9怎样因式分解?

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x^4-2^3-6x^2+6x+9怎样因式分解?

x^4-2^3-6x^2+6x+9怎样因式分解?
x^4-2^3-6x^2+6x+9怎样因式分解?

x^4-2^3-6x^2+6x+9怎样因式分解?
x^4-2x^3-6x^2+6x+9
= (x^4-6x^2+9)-(2x^3+6x)
= (x^2-3)^2-2x(x^2-3)
= (x^2-3)(x^2-2x-3)
= (x+√3)(x-√3)(x-3)(x+1)

x^4-2^3-6x^2+6x+9怎样因式分解? x^4-2x^3-6x^2-6x+9 怎样分解因式 分式因解 X^4-2X^2+1 *-----------------------------------------------*| 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 || x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) x的平方-6x+9-2x-6x+1因试分解谢谢 分解因试(x-2)(x-4)(x-6)(x-8)+16. 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 (1)y=(3+2x)·(6-x)因3+2x=12-2x时,x=4/9∈[2,5],故可直接应用平均值不等式.因3+25=12-x是什么意思 求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 难倒爱因斯坦的九宫格X 7 X | X 8 1 | X X X |X X X | X 4 X | 7 5 9 |X X 5 | 7 X 9 | X 1 4 |5 X X | X X 8 | 3 9 X |3 9 6 | 4 X 7 | X X 2 |X 8 7 | 9 X X | X X X |4 X X | 6 X 5 | X X X | X X 4 | X X 1 |2 X X | X X X | X X X | X 3 X | X X X |X 6 如下9*9宫图如何填x x x 1 x x x 2 9x x 5 x x x x x 4x 6 8 x x x x x xx x x 7 x x 5 x xx 2 x x 6 x x 8 xx x 3 x x 9 x x xx x x x 5 x 1 6 x 4 x x x 3 x x x x 7 x x x x 2 x x x 解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1 2x三次方-8x x的平方-6x+9 (x-y)x(X+y) 前三分解因事 x-2分之一=x分之三 这题是解方程.2x三次方-8x.x的平方-6x+9 .(x-y)x(X+y) 前三分解因事 x-2分之一=x分之三 这题是解方程. x/(x-2)+(x+9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)怎样解这道方程 分解因式:x^3-6x^2+9x-4 分式因解 X平方+根号3 x-根号2 x-根号6