Rozwiąż równanie wielomianowe x(-x^2+x+4)=4
x(-x²+x+4)=4
-x³+x²+4x-4=0
x³-x²-4x+4=0
x(x²-4)-(x²-4)=0
(x-1)(x²-4)=0
(x-1)(x+2)(x-2)=0
x=-2 lub x=1 lub x=2
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x(-x²+x+4)=4
-x³+x²+4x-4=0
x³-x²-4x+4=0
x(x²-4)-(x²-4)=0
(x-1)(x²-4)=0
(x-1)(x+2)(x-2)=0
x=-2 lub x=1 lub x=2