全国教育规划:分解因式:(X+1)(X+3)(X+5)(X+7)+15

来源：百度文库编辑：神马品牌网时间：2024/05/09 10:33:57

(x+1)(x+3)(X+5)(X+7)+15
=[(x+1)(x+7)]*[(x+3)(x+5)]+15
=(x^2+8x+7)(x^2+8x+15)+15
=(x^2+8x)^2+22(x^2+8x)+105+15
=(x^2+8x)^2+22(x^2+8x)+120
=(x^2+2x+10)(x^2+2x+12)

（x+1)(x+3)(X+5)(X+7)+15
=[(x+1)(x+7)]*[(x+3)(x+5)]+15
=(x^2+8x+7)(x^2+8x+15)+15
=(x^2+8x)^2+22(x^2+8x)+105+15
=(x^2+8x)^2+22(x^2+8x)+120
=(x^2+2x+10)(x^2+2x+12)

(x+1)(x+3)(X+5)(X+7)+15
=[(x+1)(x+7)]*[(x+3)(x+5)]+15
=(x^2+8x+7)(x^2+8x+15)+15
=(x^2+8x)^2+22(x^2+8x)+105+15
=(x^2+8x)^2+22(x^2+8x)+120
=(x^2+2x+10)(x^2+2x+12)

(X+1)(X+3)(X+5)(X+7)+15
=(X^2+8X+7)(X^2+8X+15)+15
=(X^2+8X)^2+22(X^2+8X)+120
=(X^2+8X+10)(X^2+8X+12)
=(X+4+√6)(X+4-√6)(X+2)(X+6)

(x+6)(x^3+10x^2+26x+20)

(x^2-1)(x+3)(x=5)分解因式分解因式：x^5+x^2+x 分解因式:(X+1)(X+3)(X+5)(X+7)+15 分解因式：(x^+2x)(x^+2x-2)-1 分解因式X^3-7X+6 分解因式xxxxx+x+1 一个分解因式: X的5次+X+1 分解因式x^5+x^4+1,谢谢大家分解因式 x.x.x.x+16-16x.x 16(6x-1)(2x-1)(3x+1)(x-1)+25分解因式