Question

Evaluate.
(a – 2b)^3 when a= -3 and b = -1/2 Enter your answer in the box​

Answer 1

- 8

Explanation:

Substitute the values for a and b into the expression

(- 3 - 2(-
`(1)/(2)` ) )³

= (- 3 + 1)³

= (- 2)³

= (- 2) × (- 2) × (- 2)

= 4 × - 2

= - 8