1、9x^2-25=(3x+5)(3x-5)
=>x1=-5/3,x2=5/3
2、2/3(x-1)^3=9/4
=>(x-1)^3=(3/2)^3
=>x-1=3/2
=>x=5/2
1、|√3-2|-(-2)^2+2 |√3/2|=2-√3-4+√3=6
1、9x^2-25=(3x+5)(3x-5)
=>x1=-5/3,x2=5/3
2、2/3(x-1)^3=9/4
=>(x-1)^3=(3/2)^3
=>x-1=3/2
=>x=5/2
1、|√3-2|-(-2)^2+2 |√3/2|=2-√3-4+√3=6