(a+b)²-18(a+b)+18,(x²+2x)²+2(x²+2x)+1分解因
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/27 21:00:03
(a+b)²-18(a+b)+18,(x²+2x)²+2(x²+2x)+1分解因式
![(a+b)²-18(a+b)+18,(x²+2x)²+2(x²+2x)+1分解因](/uploads/image/z/15226781-5-1.jpg?t=%28a%2Bb%29%26%23178%3B-18%28a%2Bb%29%2B18%2C%EF%BC%88x%26%23178%3B%2B2x%EF%BC%89%26%23178%3B%2B2%EF%BC%88x%26%23178%3B%2B2x%EF%BC%89%2B1%E5%88%86%E8%A7%A3%E5%9B%A0)
(a+b)²-18(a+b)+18
=(a+b)²-18(a+b)+81-63
=(a+b-9)²-(3√7)²
=(a+b-9+3√7)(a+b-9-3√7)
(x²+2x)²+2(x²+2x)+1
=(x²+2x+1)²
=(x+1)^4
=(a+b)²-18(a+b)+81-63
=(a+b-9)²-(3√7)²
=(a+b-9+3√7)(a+b-9-3√7)
(x²+2x)²+2(x²+2x)+1
=(x²+2x+1)²
=(x+1)^4
求大神分解下因式1、ab(x²+1)+x(a²+b²) 2、x的四次方-10x²
已知A={x|x²+4x=0},B={x|x²+2(a+1)x+a²-1=0},若B
分解因式:(2a-b)²+2a-b 2(x-1)²-x+1 9(x+y)²-4(x-y)&
已知集合A={x|x²+3x-18>0},B={x|x²-(2k+1)x+k(k+1)≤0,
多项式x²-3x+2,x²-18x+32,x²+x-6的公因式是() A x-1 B x-
分解因式(a-b)²-2ab(b-a)和10a²(x-y)²-5a(y-x)²
分解因式a²(2x-y)+b²(2y-x)
已知A={x|x²+(a-1)x-a>0}B={x|(x+a)(x+b)>0}其中a不等于bM={x|x
已知集合A={X丨x²-3X+2=} B={X丨x²+2(a+1)x+(a²-5)=0}
设集合A={x|x²-3x+2=0},B={x|x²+2(a+1)x+(a²-5)=0}
设集合A={X|X²+4x=0} B={X|X²+2(a+1)x+a²-1=0} (
设集合A={x|x²+4x=0},B={x|x²+2(a+1)x+a²-1=0}