👤

Se sa revolve ecuatiile:
√x²-3=3-x
∛x³-7=x-1


Răspuns :

√x²-3= 3-x
x-3=3-x
x+x=3+3
2x= 6
x= 6:2
x= 3
S={3}

√x³-7=x-1
x-7= x-1
x-x=-1+7
S=¢