(2x+1)²=3(2x+1) (3x+5)²-5(3x+5)+4=0
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 21:13:13
![(2x+1)²=3(2x+1) (3x+5)²-5(3x+5)+4=0](/uploads/image/z/2470422-30-2.jpg?t=%282x%2B1%29%26%23178%3B%3D3%282x%2B1%29+%EF%BC%883x%2B5%EF%BC%89%26%23178%3B-5%EF%BC%883x%2B5%EF%BC%89%2B4%3D0)
(2x+1)²=3(2x+1) (3x+5)²-5(3x+5)+4=0
(2x+1)²=3(2x+1) (3x+5)²-5(3x+5)+4=0
(2x+1)²=3(2x+1) (3x+5)²-5(3x+5)+4=0
(2x+1)²=3(2x+1)
(2x+1)²-3(2x+1)=0
(2x+1)(2x+1-3)=0
(2x+1)(2x-2)=0
x=-1/2,x=1
(3x+5)²-5(3x+5)+4=0
(3x+5-1)(3x+5-4)=0
(3x+4)(3x+1)=0
x=-4/3,x=-1/3
(2x+1)^2=3(2x+1)
(2x+1)(2x+1-3)=0
(2x+1)(2x-2)=0
x=-1/2 or 1
(3x+5)^2-5(3x+5)+4=0
[(3x+5)-1].[(3x+5)-4]=0
(3x+4).(3x+1)=0
x=-4/3 or -1/3