Answer:
C
Step-by-step explanation:
Any value of x makes the equation true.
Answer: x= -4 , y= 1
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

Required:
Simplify
We start by opening the bracket


Collect Like Terms

Hence, the equivalent expression is 
Answer:
none
Step-by-step explanation:
there's only ten cubes