Answer:
12
Step-by-step explanation:
[tex]\sqrt[3]{1728} = 12[/tex]
12 x 12 x 12 = 1728
576
1728/3
17-15= 2
bring down the "2" and you get 22
Then you do 22-21= 1
bring down the "8"
Then you have 18-18=0