几道因式分解(2x^2+1)^2+2(2x^2+1)+12ab-b^2-a^2+abm-m^3-mn^2+2m^2n(a^2+b)^2-4a^2b^2(x^2-3)^2+(x^2-3)-22x^2+x+13x^2+5x+23x^2+x-22x^2+13x+1512x^2-25x+123x^2+x-10

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/02 15:20:09
几道因式分解(2x^2+1)^2+2(2x^2+1)+12ab-b^2-a^2+abm-m^3-mn^2+2m^2n(a^2+b)^2-4a^2b^2(x^2-3)^2+(x^2-3)-22x^2+x+13x^2+5x+23x^2+x-22x^2+13x+1512x^2-25x+123x^2+x-10
xR=O0+mSlq"R;`Ɋ*!PR"(CoHHsҦmԝ%y|zO᠘"ˋC1WoD`h0"!Db :;CK x9bށ;jWKS&uЌb˛6?~Nbk_1R݊C=6.ZUi{Ιº=mѭJ#LG qoQ̪⬜/gu7*e1F߭;SppTb!1".ws%pf+G3#:< J&i jM6)o\osRTy7)"|x6&mϧG׈=JԘ?|'2_d`M

几道因式分解(2x^2+1)^2+2(2x^2+1)+12ab-b^2-a^2+abm-m^3-mn^2+2m^2n(a^2+b)^2-4a^2b^2(x^2-3)^2+(x^2-3)-22x^2+x+13x^2+5x+23x^2+x-22x^2+13x+1512x^2-25x+123x^2+x-10
几道因式分解
(2x^2+1)^2+2(2x^2+1)+1
2ab-b^2-a^2+ab
m-m^3-mn^2+2m^2n
(a^2+b)^2-4a^2b^2
(x^2-3)^2+(x^2-3)-2
2x^2+x+1
3x^2+5x+2
3x^2+x-2
2x^2+13x+15
12x^2-25x+12
3x^2+x-10

几道因式分解(2x^2+1)^2+2(2x^2+1)+12ab-b^2-a^2+abm-m^3-mn^2+2m^2n(a^2+b)^2-4a^2b^2(x^2-3)^2+(x^2-3)-22x^2+x+13x^2+5x+23x^2+x-22x^2+13x+1512x^2-25x+123x^2+x-10
(2x^2+1)^2+2(2x^2+1)+1=(2x^2+1+1)^2=4(x^2+1)^2
2ab-b^2-a^2+ab=-a^2+3ab-b^2 题目有误,整数范围内不能分解
m-m^3-mn^2+2m^2n
=m(1-n^2+2mn-m^2)
=m[1-(m-n)^2]
=m(1-m+n)(1+m-n)
(a^2+b)^2-4a^2b^2
=(a^2+b+2ab)(a^2+b-2ab)
(x^2-3)^2+(x^2-3)-2
=(x^2-3+2)(x^2-3-1)
=(x^2-1)(x^2-4)
=(x+1)(x-1)(x+2)(x-2)
2x^2+x+1 无解
3x^2+5x+2=(3x+2)(x+1)
3x^2+x-2=(3x-2)(x+1)
2x^2+13x+15=(2x+3)(x+5)
12x^2-25x+12=(3x-4)(4x-3)
3x^2+x-10 =(3x-5)(x+2)