先化简:(x/2x+3)除(3/4x平方-9)乘1/2【1+(3/2x-3)】,若结果等于2/3,求出相应x的值
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先化简:(x/2x+3)除(3/4x平方-9)乘1/2【1+(3/2x-3)】,若结果等于2/3,求出相应x的值
先化简:(x/2x+3)除(3/4x平方-9)乘1/2【1+(3/2x-3)】,若结果等于2/3,求出相应x的值
先化简:(x/2x+3)除(3/4x平方-9)乘1/2【1+(3/2x-3)】,若结果等于2/3,求出相应x的值
(x/2x+3)除(3/4x平方-9)乘1/2【1+(3/2x-3)】
=(x/2x+3)×(2x+3)(2x-3)/3乘1/2【(2x-3)/(2x-3)+(3/2x-3)】
=x(2x-3)/3×(x/(2x-3))
=x²/3
=2/3
x=±√2