Please awnser and make sure it is right I will brainlist

Please Awnser And Make Sure It Is Right I Will Brainlist class=

Answer :

Answer:

x³-9x²+27x-27

Step-by-step explanation:

(x-3)³

EXPAND

x³-3x²×3+3x×3² -3³

COMBINE

x³-9x²+3x×9-27

multiply 3x ×9

x³-9x²+27x-27