Rozwiąż równanie:
-2x²(x-4)+(x-4)=0
(x-4)(1-2x²)=0
(x-4)(1-x√2)(1+x√2)=0
x=4 lub x=√2/2 lub x= -√2/2
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-2x²(x-4)+(x-4)=0
(x-4)(1-2x²)=0
(x-4)(1-x√2)(1+x√2)=0
x=4 lub x=√2/2 lub x= -√2/2