czyli: x=-4 lub lub
2x^3+8x^2-3x-12=0
2x^2(x+4)-3(x+4 )=0
2x^2-3 = 0 U x+4=0
2x^2=3 x = -4
x^2=3/2
x=±√3/2
odp:
x=-4 U x=-√3/2 U x=√3/2
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czyli: x=-4 lub lub
2x^3+8x^2-3x-12=0
2x^2(x+4)-3(x+4 )=0
2x^2-3 = 0 U x+4=0
2x^2=3 x = -4
x^2=3/2
x=±√3/2
odp:
x=-4 U x=-√3/2 U x=√3/2