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(2x-1)³+4x>4x²(2x-3)+9
8x³-12x²+6x-1+4x>8x³-12x²+9
8x³-8x³-12x²+12x²+10x-1-9>0
10x>10/:10
x>1
zad.2
⁴√3^(-3)*⁵√9=⁴√3^(-3)*3^2/5==⁴√3^13/5=3^13/20