Question 440108
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Hi
Find two numbers such that their sum is 8 
Let x and (8-x) represent the numbers
Question states***their product is 9
  x(8-x) = 9
   8x-x^2=9
   x^2 - 8x + 9 = 0
factoring
 (x-9)(x+1) = 0
 (x-9)= 0   x =  9  and (8-x) = -1
 (x+1) = 0  x = -1  and (8-(-1) = 9
 In either event, The numbers are 9 and -1