You said that (xy) = 16, and (x+y) = 4 .
From the second equation you can get [ x = 4 - y ],
then substitude that for 'x' in the first equation, and
finally, rearrange the first equation to read
                                                                   <u>x² - 4x + 16 = 0</u>
Don't even try to factor that quadratic equation.  Go straight 
to the quadratic formula, and the two solutions you find are ...
         <em>x = 2 + i 2√3</em>
and
         <em>x = 2 - i 2√3</em> .
Those are the two number that do what you want.
There are no <u>real</u> numbers that can do it.
        
                    
             
        
        
        
Ans
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Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:46
Step-by-step explanation:
 
        
             
        
        
        
9hrs on sleep
6hrs on school
1.6 hrs on job
2.4 hrs on homework
1.92 hrs on meals
4.08hrs on entertainment
        
                    
             
        
        
        
Answer:
14
Step-by-step explanation:
Multiply the exponents together