Answer:
the missing numbers be 60 and 6 respectively
Step-by-step explanation:
The computation of the missing numbers are shown below:
Let us assume the missing numbers be x
a/
, 
b.

Hence, the missing numbers be 60 and 6 respectively
Answer:
Jang wang ching chang hshahhsb
Answer:
40
Step-by-step explanation:
Answer:
the first step is wrong
it should be 4(x-4)/(x+1)(x-4) - (x+2)/(x-4)(x+1)