因式分解 1,x^4-7x^2-24x-15 2,-2x^+5xy+2y^2 3,x^3+2xy-x-xy^2 4,x^-2x-4 5,4x^+8x-16 ,-x方-y方+2xy+1
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/07 22:45:10
因式分解1,x^4-7x^2-24x-152,-2x^+5xy+2y^23,x^3+2xy-x-xy^24,x^-2x-45,4x^+8x-16,-x方-y方+2xy+1因式分解1,x^4-7x^2-
因式分解 1,x^4-7x^2-24x-15 2,-2x^+5xy+2y^2 3,x^3+2xy-x-xy^2 4,x^-2x-4 5,4x^+8x-16 ,-x方-y方+2xy+1
因式分解 1,x^4-7x^2-24x-15 2,-2x^+5xy+2y^2 3,x^3+2xy-x-xy^2 4,x^-2x-4 5,4x^+8x-1
6 ,-x方-y方+2xy+1
因式分解 1,x^4-7x^2-24x-15 2,-2x^+5xy+2y^2 3,x^3+2xy-x-xy^2 4,x^-2x-4 5,4x^+8x-16 ,-x方-y方+2xy+1
1:x^4-7x^2-24x-15=(x^2-3x-3)(x^2+3x+5)
2:-2x^2+5xy+2y^2 =2(y+x)(y-x)+5xy
3:x³+2xy-x-xy²
=x(x²+2y-1-y²)
=x[x²-(y²-2y+1)]
=x[x²-(y-1)²]
=x[x-(y-1)][x+(y-1)]
=x(x-y+1)(x+y-1)
4:x^2-2x-4=(X-1)^2-5=(X-1-根5)(X-1+根5)
5:4x^2+8x-1
=4(x+1)^2-5
=(2x+2)^2-(根号5)^2
=(2x+2+根号5)(2x+2-根号5)
6:-x^2-y^2+2xy+1=-(x-y)^2+1=(1+x-y)(1-x+y)
1.(x^2-3x-3)(x^2+3x+5)
2.2(y+x)(y-x)+5xy
3.x(x-y+1)(x+y-1)
4.=(X-1-根5)(X-1+根5
5.=(2x+2+根号5)(2x+2-根号5)
6.=(1+x-y)(1-x+y)
(x-1)(x-2)(x-3)(x-4)-24 因式分解
(x+1)(x+2)(x+3)(x+4)-24因式分解
因式分解(x+1)(x+2)(x+3)(x+4)-24
因式分解X^4-7X^2+1
因式分解x(x+2)(x+5)(x+7)+24
因式分解 (x+1)(x+2)(x+5)(x+7)+15
(x+1)(x+2)(x+5)(x+7)+15 因式分解
(x+1)(x+2)(x+7)(x+8)+8因式分解
因式分解(x^2-x)^2-4(x^2-x-1)
x^4+x^3-4x^2+x+1因式分解
因式分解:(x+1)(x+2)(x+3)(x+4)+1
因式分解:x^4+x^3-2x^2-x+1
因式分解x^8+x^6+x^4+x^2+1
因式分解(X+1)(X+2)(X+3)(X+4)-120
因式分解(x+1)(x+2)(x+3)(x+4)-120
因式分解 (x-1)(x+2)(x-3)(x+4)-144
(x+1)(X+2)(x+3)(x+4)-120 因式分解(x+1)(X+2)(x+3)(x+4)-120因式分解
6x^2-7x-24因式分解