You can divide the whole expression by -3:

Recalling that

Let's compare the middle term:

So, we want to complete

Which differs from  by 16. So, if we add 16 to both sides, we have
 by 16. So, if we add 16 to both sides, we have

 
        
                    
             
        
        
        
Answer:
2(x+3)(x−5)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
49
Step-by-step explanation:
1.21 x 49 = 59.29
 
        
             
        
        
        
Answer:



Step-by-step explanation:
3) Area of a circle is 

Where r = 6
Thus,




4) False
Area of a circle is measured by the formula below:

5) The formula for calculating the area of a rectangle is given thus:

Where, l = 10ft; w = 7ft

 
        
             
        
        
        
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