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x(10x-1)=0
x=0 i 10x=1
x=1/10
odp x=0 i x=1/10
6x⁴+x²=0
x²(x²+1)=0
x²=0 i x²=-1 sprzeczne
x=0
odp x=0
5x=2x²
-2x²+5x=0
-x(2x-5)=0
x=0 i 2x=5
x=5/2
odpx=0 i x=5/2
(x-x²)/2=0 /×2
x(1-x)=0
x=0 i 1-x=0
x=1
odp x=0 i x=1
(2x-4x²)/7=0 /7
2x(1-2x)=0
x=0 i 1-2x=0
x=1/2
odp x=0 i x=1/2