Question

The distance in feet that Karina swims in a race is represented by 4d - 4, where is d is the distance for each lap. What is an expression equivalent to 4d - 4?

Answer 1

-4 + 4
`(1)/(4)`d

Explanation:

Answer 2

The equivalent expression for
`4d-4` is
`4(d-1)`

Explanation:

The distance in feet that Karina swims in a race is represented by 4d - 4, where is d is the distance for each lap.

To get equivalent expression we factor the expression 4d-4

Greatest common factor is 4

Factor out 4 from the expression 4d-4

when we factor out 4, we divide each term by 4

`4d-4`

`4(d-1)`

The equivalent expression for
`4d-4` is
`4(d-1)`