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Answer 1 · 2017-12-16T17:34:19

Option B

Both of the denominators are the same so:

# (4x-1)/(x+4) - (2x-9)/(x+4)#

# = (4x-1 -(2x-9) )/(x+4) #

Expanding:

#(4x-1-2x+9 )/(x+4) #

Collecting like terms:

#(2x+8)/(x+4) #