5x的平方-10x=-5 用因式法解
人气:366 ℃ 时间:2020-04-03 09:34:15
解答
5x的平方-10x=-5
5x²-10x+5=0
5(x²-2x+1)=0
(x-1)²=0
∴x=1
推荐
猜你喜欢
- I think I am very healthy because I have a pretty good eating habit.I try to eat a lot of vegetable
- 发[ i倒e]单词
- 已知a,b,c均为正数,a,b,c不全相等,求证bc/a+ac/b+ab/c>a+b+c
- 新疆河流的河水主要依靠什么补给,为什么?
- I am always the person to get to the Office不定式是做宾补还是做定语?为什么?
- How do the Chinese and the Americans greet each other? And how do they respond to compliments?
- 求英语作文:网上购物的利与弊
- 在数轴点a表示-3,b,c两点所表示的数互为相反数,且点b到点a的距离为3,点c是多少?