If you're evaluating, then multiply by the conjugate and simplify.
= -1 -i
The answer would be the same even if you divided...and or, wrote it in simplest form.
Answer:
What is the sum?
Step-by-step explanation
You cannot solve for X as there is no equation :/
Answer:
False
Step-by-step explanation:
Scientific notation must have a number from 1-10
The answer would be 7*10^4
Answer: 
Step-by-step explanation:

Where s is the side of the cube.
Therefore, the volume of a cube with side 5 m = 
Similarly, the volume of a cube with side 4 m = 
Thus, the difference between the volumes of these cube = 