早教吧作业答案频道 -->数学-->
因式分解X(1+X)+X(1+X)^2+X+16A^4-5A^3-4A^24M^2+8MN+3N^2X^4+7X-185A^2B^2+23AB-105X^2+7X-63A^2-8A+42X^2+15X+7X^4-10X^2+93X^2+8X-32X^2-5X-3
题目详情
因式分解
X(1+X)+X(1+X)^2+X+1
6A^4-5A^3-4A^2
4M^2+8MN+3N^2
X^4+7X-18
5A^2 B^2+23AB-10
5X^2+7X-6
3A^2-8A+4
2X^2+15X+7
X^4-10X^2+9
3X^2+8X-3
2X^2-5X-3
X(1+X)+X(1+X)^2+X+1
6A^4-5A^3-4A^2
4M^2+8MN+3N^2
X^4+7X-18
5A^2 B^2+23AB-10
5X^2+7X-6
3A^2-8A+4
2X^2+15X+7
X^4-10X^2+9
3X^2+8X-3
2X^2-5X-3
▼优质解答
答案和解析
⑴ X(1+X)+X(1+X)^2+(X+1) = (1+X)( X+X(1+X)+1 ) = (1+X)( X²+2X+1) = (1+X)³
⑵ 6A^4-5A^3-4A^2 = A²(6A²-5A-4) = A²(2A+1)(3A-4)
⑶ 4M^2+8MN+3N^2 = (2M+3N)(2M+N)
⑷ X^2+7X-18 = (X-2)(X+9) (题有误吧可能是 X^2不是X^4)
⑸ 5A^2 B^2+23AB-10 = (AB+5)(5AB-2)
⑹ 5X^2+7X-6 = (X+2)(5X-3)
⑺ 3A^2-8A+4 = (A-2)(3A-2)
⑻ 2X^2+15X+7 = (X+7)(2X+1)
⑼ X^4-10X^2+9 = (X²-1)(X²-9)
⑽ 3X^2+8X-3 = (3X-1)(X+3)
⑾ 2X^2-5X-3 = (X-3)(2X+1)
⑵ 6A^4-5A^3-4A^2 = A²(6A²-5A-4) = A²(2A+1)(3A-4)
⑶ 4M^2+8MN+3N^2 = (2M+3N)(2M+N)
⑷ X^2+7X-18 = (X-2)(X+9) (题有误吧可能是 X^2不是X^4)
⑸ 5A^2 B^2+23AB-10 = (AB+5)(5AB-2)
⑹ 5X^2+7X-6 = (X+2)(5X-3)
⑺ 3A^2-8A+4 = (A-2)(3A-2)
⑻ 2X^2+15X+7 = (X+7)(2X+1)
⑼ X^4-10X^2+9 = (X²-1)(X²-9)
⑽ 3X^2+8X-3 = (3X-1)(X+3)
⑾ 2X^2-5X-3 = (X-3)(2X+1)
看了 因式分解X(1+X)+X(1...的网友还看了以下:
几道算术题和操作题,不是很难,算术题要求最好简便!(1)1.6x3/4-2/5除1.2(2)5/9 2020-05-13 …
分解因式:(1)18x^3-27x^4-3x^2 (2)x^4-18x^3+81 16a^2b^4 2020-05-16 …
因式分解,(1)x^4-2x^3+x^2 (2)3x^4-3x^2 (3)x^4-1 (4)a^4 2020-05-16 …
—2,—4,0,—2,2,(),()以上的数—2,—4,—2,是负数,不是减号—2,—4,—2,( 2020-06-28 …
三角形ABC中,A(-2,2),B(-4,-2),C(1,0).把三角形ABC平移后三角形某一边上 2020-08-02 …
求下这个坐标啊.我没救了,你拿什么拯救我?圆(x+1)^2+(y-2)^2=4与2X-Y相切的点的 2020-08-02 …
设x≥0,y≥0,x^2+(y^2/2)=11,设x≥0,y≥0,x^2+(y^2/2)=1,则x( 2020-10-31 …
设x≥0,y≥0,x^2+(y^2/2)=11,设x≥0,y≥0,x^2+(y^2/2)=1,则x( 2020-10-31 …
实数s,t分别满足方程19s^2+99s+1=0和19+99t+t^2=0,求代数式(st+4s+1 2020-11-01 …
求函数y=x+√(4-x2)的值域.函数定义域是-2≤x≤2,可设x=2sinθ,θ∈[-π/2,π 2021-01-31 …