Answer:
Expanded: (y-3)(y-3)(y-3)
Simplified: [tex]y^{3}-9y^{2}+27y-27[/tex]
Step-by-step explanation:
Expanded: (y-3)(y-3)(y-3)
Simplified:
[tex]y^{2} -3y-3y+9(y-3)\\y^{2} -6y+9(y-3)[/tex]
[tex]y^{3} -3y^{2}-6y^{2} +18y+9y-27[/tex]
[tex]y^{3}-9y^{2} +27y-27[/tex]
