因式分解 x(x-y)-y(y-x) m²(x-1)+4(1-x) a²-4(a-b)²
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/10/01 20:01:21
因式分解 x(x-y)-y(y-x) m²(x-1)+4(1-x) a²-4(a-b)² (2x-3y)²-4x² (3x+y)²
9(a-b)²-16(a+b)²
49(m-n)²-9(m+n)²
9(a-b)²-16(a+b)²
49(m-n)²-9(m+n)²
x(x-y)-y(y-x)= x(x-y)+y(x-y)=(x+y)(x-y)
m²(x-1)+4(1-x) =m²(x-1)-4(x-1)=(m²-4)(x-1)=(m+2)(m-2)(x-1)
a²-4(a-b)² =(a+2a-2b)(a-2a+2b)=(3a-2b)(-a+2b)
(2x-3y)²-4x² (3x+y)² =(2x-3y)²-(6x²+2xy)²=(2x-3y+6x²+2xy)(2x-3y-6x²-2xy)
9(a-b)²-16(a+b)²=(3a-3b)²-(4a+4b)²=(3a-3b+4a+4b)(3a-3b-4a-4b)=(7a+b)(-a-7b)
49(m-n)²-9(m+n)²=(7m-7n)²-(3m+3n)²=(7m-7n+3m+3n)(7m-7n-3m-3n)=(10m-4n)(4m-10n)
=4(5m-2n)(2m-5n)
m²(x-1)+4(1-x) =m²(x-1)-4(x-1)=(m²-4)(x-1)=(m+2)(m-2)(x-1)
a²-4(a-b)² =(a+2a-2b)(a-2a+2b)=(3a-2b)(-a+2b)
(2x-3y)²-4x² (3x+y)² =(2x-3y)²-(6x²+2xy)²=(2x-3y+6x²+2xy)(2x-3y-6x²-2xy)
9(a-b)²-16(a+b)²=(3a-3b)²-(4a+4b)²=(3a-3b+4a+4b)(3a-3b-4a-4b)=(7a+b)(-a-7b)
49(m-n)²-9(m+n)²=(7m-7n)²-(3m+3n)²=(7m-7n+3m+3n)(7m-7n-3m-3n)=(10m-4n)(4m-10n)
=4(5m-2n)(2m-5n)
因式分解:4x²-y²-2y-1
(x²+4y²)²-16x²y² 因式分解
分解因式:9x²-16(a+b)² 1/2x⁴y²-1/8x²y
12x²+4x-1 x²-(a+b)xy+aby² xy-1+x-y x²-(2
分解因式 x²(x²-y²)+z²(y²-x²) (a+b)
1.因式分解(1) 1-4x²y²(2) 16m²+25n²+40mn(3) 2
3a-3b/10ab*25a²b³/a²-b² x²-4y²
设A=2x²-3xy+y²-x+2y,B=4x²-6xy+2y²+3x-y.若x
因式分解:1、16(a-b)²-9(a+b)²2、x^5y-xy3、2010²-2009&
设A=2x²-3xy+y²-x+2y,B=4x²-6xy+2y²-3x-y,若|
设A=2x²-3xy+y²-x+2y ,B=4x²-6xy+2y²+3x-y .
6道数学因式分解(1)2x(x-y)四次方-x²(x-y)²+xy(y-x)²(2)8a三