因式分解 1)9x^4-25y^6 2)4x^2+(x+y)^2+4x(x+y) 3)(a+2b)^2-4ab-13b^
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/11/12 07:14:39
因式分解 1)9x^4-25y^6 2)4x^2+(x+y)^2+4x(x+y) 3)(a+2b)^2-4ab-13b^2 4)x^2+3xy-10y^2 5)a^2b-2ab-3b
1)9x^4-25y^6 2)4x^2+(x+y)^2+4x(x+y) 3)(a+2b)^2-4ab-13b^2 4)x^2+3xy-10y^2 5)a^2b-2ab-3b
1)9x^4-25y^6 2)4x^2+(x+y)^2+4x(x+y) 3)(a+2b)^2-4ab-13b^2 4)x^2+3xy-10y^2 5)a^2b-2ab-3b
1)9x^4-25y^6
=(3x^2+5y^3)(3x^2-5y^3)
2)4x^2+(x+y)^2+4x(x+y)
=(x+y)^2+4x(x+y)+4x^2
=[(x+y)+2x]^2
=(3x+y)^2
3)(a+2b)^2-4ab-13b^2
=a^2+4ab+4b^2-4ab-13b^2
=a^2-(3b)^2
=(a+3b)(a-3b)
4)x^2+3xy-10y^2
x 5y
x -2y
=(x+5y)(x-2y)
5)a^2b-2ab-3b
=b(a^2-2a-3)
=b(a+1)(a-3)
=(3x^2+5y^3)(3x^2-5y^3)
2)4x^2+(x+y)^2+4x(x+y)
=(x+y)^2+4x(x+y)+4x^2
=[(x+y)+2x]^2
=(3x+y)^2
3)(a+2b)^2-4ab-13b^2
=a^2+4ab+4b^2-4ab-13b^2
=a^2-(3b)^2
=(a+3b)(a-3b)
4)x^2+3xy-10y^2
x 5y
x -2y
=(x+5y)(x-2y)
5)a^2b-2ab-3b
=b(a^2-2a-3)
=b(a+1)(a-3)
因式分解 1)9x^4-25y^6 2)4x^2+(x+y)^2+4x(x+y) 3)(a+2b)^2-4ab-13b^
几道因式分解..4ab(a+b)^2-6a^2b(a+b)(x+y)^2(x-y)+(x+y)(x-y)^22a(a-3
因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)(
因式分解-6a^3+4ab^3-2a^2b,3a^2(x-y)+27(y-x)
计算 (1/3a^2b)^2*(-9ab^3)/(-1/2a^4b^2) 因式分解:4x^2(x-y)+(y-x)急.
4x(y-x)-y^2因式分解
(2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y)
因式分解(x-y)^2+4(x^2-y^2)+4(x+y)^2 a(x^2+2xy+y^2)-b(x^2-y^2) (x
因式分解:(1)(a+b)²+a+b+1/4 (2)6(x-y)²+3(y-x)³
因式分解:(1) 12a²b(x-y)³-4ab(y-x)² (2) (a²-4
4x*3-4x*2y-(x-y)因式分解
4x^3-4x^2y-(x-y)因式分解