=>x^2-3x-根號(hào)(x^2-3x)-2=0
=>(根號(hào)(x^2-3x)-2)(根號(hào)(x^2-3x)+1)=0
=>根號(hào)(x^2-3x)=2或者=-1
因?yàn)楦?hào)(x^2-3x)>=0,所以根號(hào)(x^2-3x)=2
則x^2-3x=4
x=4或者x=-1
解根號(hào)方程 3x+根號(hào)(x^2-3x)+2=x^2
解根號(hào)方程 3x+根號(hào)(x^2-3x)+2=x^2
數(shù)學(xué)人氣:693 ℃時(shí)間:2020-04-01 10:17:36
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