Odpowiedź:
x3 - 1 = 63
x3 = 63 + 1
x3 = 64
x = 4
x3 - 16 = -8
x3 = -8 + 16
x3 = 8
x = 2
[tex]x^3-1=63\\\\x^3=63+1\\\\x^3=64\\\\x=\sqrt[3]{64}\\\\x=4\\\\\\x^3-16=-8\\\\x^3=-8+16\\\\x^3=8\\\\x=\sqrt[3]{8}\\\\x=2[/tex]
