HELP PLSSS THIS IS HARD SOMEONE

scale factor =

Step-by-step explanation:

EF= 12 units

E' (- 1, 1 ) , F' (2, 1 )

Since y- coordinates are equal then E'F' is a horizontal line and

E'F' = | 2 - (- 1) | = | 2 + 1 | = | 3 | = 3

scale factor = = =

answer: do you still need this?

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2