Answer: 
Step-by-step explanation:
We can first take out the common factor of 4, as both 4x² and -32 are divisible by 4.
From here, we can assume that x²-8 is a difference of two squares even though 8 is not a perfect square.
<em>For review, a difference of two squares </em>
can be factored into 
.
Answer:
My explanation -->
Step-by-step explanation:
Go over to the left on the -4 and up 5 times and mark a dot on it.
Next, go up half a mark from 0 and put a dot there.
Then, go over to the left between the -2 and -4 and go up 5 times.
Lastly, from the 0, go down half way until the next horizontal line and place a dot there.
Answer:
-i^5=-i
Step-by-step explanation:
rewrite the equation ;
i^4=1
I^4 *-i = 1*-i=-i
