4a²+4a-4a²b+b+1-----------因式分解 a(a²-a-1)+1 ax²+16ay²-a-8axy ab(m
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![4a²+4a-4a²b+b+1-----------因式分解 a(a²-a-1)+1 ax²+16ay²-a-8axy ab(m](/uploads/image/z/2681468-44-8.jpg?t=4a%26%23178%3B%2B4a-4a%26%23178%3Bb%2Bb%2B1-----------%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3+a%28a%26%23178%3B-a-1%EF%BC%89%2B1+ax%26%23178%3B%2B16ay%26%23178%3B-a-8axy+ab%EF%BC%88m%26%2317)
4a²+4a-4a²b+b+1-----------因式分解 a(a²-a-1)+1 ax²+16ay²-a-8axy ab(m
4a²+4a-4a²b+b+1-----------因式分解 a(a²-a-1)+1 ax²+16ay²-a-8axy ab(m
4a²+4a-4a²b+b+1-----------因式分解 a(a²-a-1)+1 ax²+16ay²-a-8axy ab(m
4a²+4a-4a²b+b+1=4a^2+4a+1-4a^2b+b+1=(2a+1)^2-b(4a^2-1)=(2a+1)^2-b(2a+1)(2a-1)
=(2a+1)(2a+1-2ab+b)
请不要偷懒哦 不懂就问老师