>
数学
>
解方程:2(x-3)
2
=x
2
-9.
人气:347 ℃ 时间:2020-04-13 16:21:34
解答
方程变形得:2(x-3)
2
-(x+3)(x-3)=0,
分解因式得:(x-3)(2x-6-x-3)=0,
解得:x
1
=3,x
2
=9.
推荐
2(x+3)²=x²-9 解方程
解方程9(x-3)²-4(x-2)²=0
2(x-1)²-3(x-1)-9=0 用适当的方法解方程
解方程:4(x+3)²=9(x-1)²
解方程9(X+1/3)²=4的值
英语翻译
what does she liketo have?有没有对
英语填空,适当形式9
猜你喜欢
用数字0,1,2,3,4,5 组成没有重复数字的自然数中,比320145小的六位数字共有( )个
不多说,别给网站,两个连续奇数的乘积是111555,两个奇数的和是多少?
All the information of his interest___will be monitored by relevant authorities
I left my homework at home
他有三块手表 用英语怎么表达
he took me to his house 同义句
请问检测生物碱的钼酸铵-浓硫酸(Frobde)试剂和甲醛-浓硫酸(Marquis)试剂的配制方法和具体操作步骤?
“他告诉我我很漂亮.”这句话用英文说应该是He told me that i was beautiful.还是i am beautiful 呢?
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版