(x-2)(x-4)+1 因式分解
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 18:48:02
![(x-2)(x-4)+1 因式分解](/uploads/image/z/1988153-17-3.jpg?t=%28x-2%29%28x-4%29%2B1+%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
x)Ө5&چ
Og/xiGۋmِ,`
ya,L̏353B/.H̳h`\kVmƷ$(^#kTbfBD -j
(x-2)(x-4)+1 因式分解
(x-2)(x-4)+1 因式分解
(x-2)(x-4)+1 因式分解
(x-2)(x-4)+1
=[(x-3)+1][(x-3)-1]+1
=(x-3)^2-1^2+1
=(x-3)^2
(x-2)(x-4)+1
=x^2-6x+8+1
=x^2-6x+9
=(x-3)^2
(x-2)(x-4)+1
=x²-6x+8+1
=x²-6x+9
=(x-3)²