We are given this

write it as the difference of cubes

use the formula for the difference of cubes

Now use the formula for the difference of squares as 

Answer:
x=12/5
Step-by-step explanation:
x*5/12=1
x=1*12/5
x=12/5
Answer:
The equation for this is: 
Step-by-step explanation:
We have that the number though is n.
Adds 10:
This means that now we have: 
Multiplies by 3:
This means that now we have: 
Gets 42:
This means that: 
Answer:
Im either gonna say, the last one or the first. Please dont hate me.
Answer:
c .....the answer is c.....
Step-by-step explanation:
I hope this helps