将下列错误的因式分解改正过来 1.16a²b-16a³-4ab²=4ab(4a-4a²-b)2.(a+b)²-a²=(a+b-a)(a+b+a)3.16-24(x-y)+9(x-y)²=(4-3x-3y)²4.4x²-8xy+2x=2x(2x-4y+1)=2x(2x-1)²
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![将下列错误的因式分解改正过来 1.16a²b-16a³-4ab²=4ab(4a-4a²-b)2.(a+b)²-a²=(a+b-a)(a+b+a)3.16-24(x-y)+9(x-y)²=(4-3x-3y)²4.4x²-8xy+2x=2x(2x-4y+1)=2x(2x-1)²](/uploads/image/z/11483171-35-1.jpg?t=%E5%B0%86%E4%B8%8B%E5%88%97%E9%94%99%E8%AF%AF%E7%9A%84%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E6%94%B9%E6%AD%A3%E8%BF%87%E6%9D%A5+1.16a%26%23178%3Bb-16a%26%23179%3B-4ab%26%23178%3B%3D4ab%EF%BC%884a-4a%26%23178%3B-b%EF%BC%892.%EF%BC%88a%2Bb%EF%BC%89%26%23178%3B-a%26%23178%3B%3D%EF%BC%88a%2Bb-a%EF%BC%89%EF%BC%88a%2Bb%2Ba%EF%BC%893.16-24%EF%BC%88x-y%EF%BC%89%2B9%EF%BC%88x-y%EF%BC%89%26%23178%3B%3D%EF%BC%884-3x-3y%EF%BC%89%26%23178%3B4.4x%26%23178%3B-8xy%2B2x%3D2x%EF%BC%882x-4y%2B1%EF%BC%89%3D2x%EF%BC%882x-1%EF%BC%89%26%23178)
将下列错误的因式分解改正过来 1.16a²b-16a³-4ab²=4ab(4a-4a²-b)2.(a+b)²-a²=(a+b-a)(a+b+a)3.16-24(x-y)+9(x-y)²=(4-3x-3y)²4.4x²-8xy+2x=2x(2x-4y+1)=2x(2x-1)²
将下列错误的因式分解改正过来
1.16a²b-16a³-4ab²=4ab(4a-4a²-b)
2.(a+b)²-a²=(a+b-a)(a+b+a)
3.16-24(x-y)+9(x-y)²=(4-3x-3y)²
4.4x²-8xy+2x=2x(2x-4y+1)=2x(2x-1)²
5.-4a的4次方-6a³+2a²=-2a²(a²+3a-1)=-2a²{(a+3)(a-1)}
6.4ab(2x-y)+b(2x-y)=(2x-y)(4a+1)b
7.6a(1-b)²-2(b-1)²=(1-b)²(6a+2)
8.(a²+b²)²-a²b²=(a²+b²+a²b²)(a²+b²-a²b²)
9.6a²b-16a³-4ab²=4a{-(2a-b)²}
将下列错误的因式分解改正过来 1.16a²b-16a³-4ab²=4ab(4a-4a²-b)2.(a+b)²-a²=(a+b-a)(a+b+a)3.16-24(x-y)+9(x-y)²=(4-3x-3y)²4.4x²-8xy+2x=2x(2x-4y+1)=2x(2x-1)²
1.16a²b-16a³-4ab²=-4a(4a²-4ab+b²)=-4a(2a-b)²
2.(a+b)²-a²=(a+b-a)(a+b+a)=b(2a+b)
3.16-24(x-y)+9(x-y)²=(4-3x+3y)²
4.4x²-8xy+2x=2x(2x-4y+1)
5.-4a^4-6a³+2a²=-2a²(2a²-3a+1)=-2a²(2a-1)(a-1)
6.4ab(2x-y)+b(2x-y)=b(4a+1)(2x-y)
7.6a(1-b)²-2(b-1)²=2(b-1)²(3a-1)
8.(a²+b²)²-a²b²=(a²+b²+ab)(a²+b²-ab)
9.6a²b-16a³-4ab²=-2a(8a²-3ab+2b²)