Answer:
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Step-by-step explanation:
Answer:
When x=4 we get the value of the given expression is

Step-by-step explanation:
Given rational expression is 
To find the value of the given rational expression 
when x is equal to 4 :
That is the value of the given rational expression 
when x=4 :

Put x=4 in the above rational expression we get




Therefore when x=4 we get the value of the given expression is

The opposite of 4x is -4x and the opposite of -5+4x is 5+-4x
Answer:
Step-by-step explanation:
- Point O has coordinates (0, 0)
- B has coordinates (h, k)
- C has coordinates (h, 0)
<u>Use the distance formula to find the length of OB:</u>
- OB =
= 