👤

2(x²-4)=x(3+2x)
x³-2=-2+2


Răspuns :

2(x²-4)=x(3+2x)
2x²-8=3x+2x²
2x²-2x²-8=3x
3x=-8
x=-8/3=-2,(6)

x³-2=-2+2
x³-2=0
x³=2
x=¬/ de ordinul 3 din 2=2^(1/3)