[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
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[九上数学](4x-2)²=243/2x²-11/2x-2=0急!(4x-2)²=243/2x²-11/2x-2=04(2x-1)²=9(x+4)
[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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