Rozwiąż równanie:4x³+8x²-x-2=0
4x³+8x²-x-2=04x²(x+2)-1(x+2)=0
(4x²-1)(x+2)=0
(2x-1)(2x+1)(x+2)=0
2x-1=0 lub 2x+1=0 lub x+2=0
x=1/2 lub x=-1/2 lub x=-2
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4x³+8x²-x-2=0
4x²(x+2)-1(x+2)=0
(4x²-1)(x+2)=0
(2x-1)(2x+1)(x+2)=0
2x-1=0 lub 2x+1=0 lub x+2=0
x=1/2 lub x=-1/2 lub x=-2