作业帮[九上数学](4x-2)²=24 3/2x²-11/2x-2=0急!(4x-2)²=243/2x²-11/2x-2=04（2x-1）²=9(x+4)²
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/05 01:06:39
²=24 3/2x²-11/2x-2=0急!(4x-2)²=243/2x²-11/2x-2=04（2x-1）²=9(x+4)²](/uploads/image/z/581720-32-0.jpg?t=%5B%E4%B9%9D%E4%B8%8A%E6%95%B0%E5%AD%A6%5D%284x-2%29%26%23178%3B%3D24+3%2F2x%26%23178%3B-11%2F2x-2%3D0%E6%80%A5%21%284x-2%29%26%23178%3B%3D243%2F2x%26%23178%3B-11%2F2x-2%3D04%EF%BC%882x-1%EF%BC%89%26%23178%3B%3D9%28x%2B4%29%26%23178%3B)
[九上数学](4x-2)²=24 3/2x²-11/2x-2=0急!(4x-2)²=243/2x²-11/2x-2=04（2x-1）²=9(x+4)²
[九上数学](4x-2)²=24 3/2x²-11/2x-2=0急!
(4x-2)²=24
3/2x²-11/2x-2=0
4（2x-1）²=9(x+4)²
[九上数学](4x-2)²=24 3/2x²-11/2x-2=0急!(4x-2)²=243/2x²-11/2x-2=04（2x-1）²=9(x+4)²
(4x-2)²=24
x = 1/2 (1 - 根号[6]),x = 1/2 (1 + 根号[6])
3/2x²-11/2x-2=0
x= 4,x= -(1/3)
4（2x-1）²=9(x+4)²
x= 14,x = -(10/7)
(4x-2)²=24
4x-2=±√24
4x=2±2√6
x=（1±√6）/2
3/2x²-11/2x-2=0
（3/2x+1/2）（x-4）=0
解得
x = -1/3 或 x=4
4（2x-1）²=9(x+4)²
4（2x-1）²-9(x+4)²=0
[...
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(4x-2)²=24
4x-2=±√24
4x=2±2√6
x=（1±√6）/2
3/2x²-11/2x-2=0
（3/2x+1/2）（x-4）=0
解得
x = -1/3 或 x=4
4（2x-1）²=9(x+4)²
4（2x-1）²-9(x+4)²=0
[2（2x-1）+3(x+4)][2（2x-1）-3(x+4)]=0
(7x+10)(x-14)=0
解得
x = -1/10 或者 x=14
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