Verified Answer :

Willchemistry

1/ 4 ( 4 f - 8 ) =

1 x ( 4 f -  8 ) / 4 =
 
1 x 4 f - 8/ 4 =

= 4 f - 8 / 4

Factor out common term 4 :

= 4(f-2) 4

Divide the numbers : 4 / 4 => 1

Therefore:

= f - 2

hope this helps!



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