因式分解(m²+n²)²-4m²n² x ²+2x+1-y&
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:数学作业 时间:2024/06/25 23:17:03
因式分解
(m²+n²)²-4m²n² x ²+2x+1-y² (a+1)²(2a-3)-2(a+1)(3-2a)+2a-3 x²-2xy+y²-2x+2y+1
(m²+n²)²-4m²n² x ²+2x+1-y² (a+1)²(2a-3)-2(a+1)(3-2a)+2a-3 x²-2xy+y²-2x+2y+1
(m²+n²)²-4m²n² =m²n²(m²n²-4)=[(mn)²-2²]=m²n²(mn+2)(mn-2)
x ²+2x+1-y² =(x+1)²-y²=(x+1+y)(x+1-y)
(a+1)²(2a-3)-2(a+1)(3-2a)+2a-3 =(a+1)²(2a-3)+2(a+1)(3-2a)+2a-3=(2a-3)[(a+1)²+2(a+1)+1]=(2a-3)(a+1)²
x²-2xy+y²-2x+2y+1=(x-y)²-2(x-y)+1=(x-y+1)²
x ²+2x+1-y² =(x+1)²-y²=(x+1+y)(x+1-y)
(a+1)²(2a-3)-2(a+1)(3-2a)+2a-3 =(a+1)²(2a-3)+2(a+1)(3-2a)+2a-3=(2a-3)[(a+1)²+2(a+1)+1]=(2a-3)(a+1)²
x²-2xy+y²-2x+2y+1=(x-y)²-2(x-y)+1=(x-y+1)²
因式分解(m²+n²)²-4m²n² x ²+2x+1-y&
因式分解m²+2m(m-n)+(m-n)²,16-8(x-y)+(x-y)²
因式分解:(m-n)²+2(n-m)=_______ 因式分解:x²-y²+6y-9=__
因式分解4-(2x-1)² (2m-n)²-121(m+n)²
因式分解:1.(m-n)²-2m+2n 2.x²-y²-(x+y)²
因式分解:(1)x³y²-x (2)m²-2mn+n²-1
因式分解:3a(x-y)+9(y-x)(2m-3n)²-2m+3n
因式分解:(1)18(m+n)²-2(m-n)² (2)2y-3x-9x²+4y²
因式分解:a²(m+n)³-a²b³ y²(x²-2x)
计算(1)(3m-4n)(3m+4n)-(2m-2n)(2m+n) (2)(x+5y)²-(x-5y)
因式分解x²-(m-n)x-mn
因式分解m²-4n²-m+2n