4x(x-1)+1=0,x눀4x+4=(3-2x)눀用因式分解法

2024-12-03 20:55:56
推荐回答(2个)
回答1:

4x(x-1)+1=0, 4x^2-4x+1=0 (2x-1)^2=0 2x-1=0 x=1/2

x²4x+4=(3-2x)²
(x-2)^2-(2x-3)^2=0 (3x-5)(1-x)=0 x=5/3或x=1

(2x-2)²+(2x+2)²=4x+4, 4(x-1)^2+4(x+1)^2=4(x+1)
(x-1)^2+(x+1)^2=(x+1)
2x^2+2=x+1 2x^2-x+1=0 无解

4(x+2﹚﹙x-3﹚-﹙x-3﹚²=0
(x-3)(4x+8-x+3)=0
(x-3)(3x+11)=0
x=3或x=-11/3

回答2:

4x(x-1)+1=0, 4x^2-4x+1=0 (2x-1)^2=0 2x-1=0 x=1/2