The answer is 90, Because angle D is a 90 degree angle, and 180- 90=90, so the answer is 90.
        
             
        
        
        
Answer:
-76-43i
Step-by-step explanation:
First expand the multiplied terms
8-3i-(64+64i-24i+24)
8-3i-(64+40i+24)
Simplify
8-3i-64-40i-24
-76-43i
 
        
                    
             
        
        
        
Answer:
Ok hi
Step-by-step explanation:
 
        
             
        
        
        
Answer:
5x^2-3x-8
Step-by-step explanation:
So you will want this to be simplified.
expanding brackets is a great way of doing this
one you have expanded all brackets u get the answer above 
:)