1. 43,300
2. 568,000
3. 910,000
4. <span>91,00,000,000
</span>
        
                    
             
        
        
        
-3√45 + 3√20 = -3√(9 · 5) + 3√(4 · 5) =
= -3√(3² · 5) + 3√(2² · 5) =
= -3 · 3√5 + 3 · 2√5 = 
= -9√5 + 6√5 = -3√5 ← the end
 
        
             
        
        
        
Answer:
After 13 months the amount paid to both will be $830.
Step-by-step explanation:
60x13+50=830
50x13+180=830
 
        
             
        
        
        
Answer:
 3(2x - 5)(x  + 2) 
Step-by-step explanation:
6x^2 - 3x - 30
= 3(2x^2 - x - 10)
= 3(2x - 5)(x  + 2)   (answer).