Hey there!
(8f - 9) - (9f - 6)
= 8f - 9 - 9f + 6
= 8f - 9f - 9 + 6
= -f - 3.
Steps :-
Hope it helps ya!
Answer:
-1 ( f +3) or -f - 3
Step-by-step explanation:
( 8f - 9 ) - ( 9f - 6 )
Add like terms:
8f - 9f = -1f = -f
-9 - -6 = -3
-f - 3
simplify:
-1 ( f +3)