Solution:
[tex] \\ (a - 2b) ^{3} [/tex]
[tex] \\ ( - 3 - 2 \times \frac{ - 1}{2} ) ^{3} [/tex]
[tex] \\ = (- 3 + 1) ^{3} [/tex]
[tex] \\ = ( - 2) ^{3} [/tex]
[tex] \\ = ( - 2)( - 2)( - 2)[/tex]
[tex] \\ = - 8[/tex]
Answer:
[tex] \\ {\boxed{ - 8}}[/tex]
♦♦♦♦Hope it helps♦♦♦♦
