Question 902197
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Hi
x + x+1 + x+2 = x(x+1)
x^2 -2x - 3 = 0  Using Positive Solution for a Natural Number
(x-3)(x+1)= 0,  x = 3
the three consecutive natural numbers are: 3, 4, 5
And Checking...
12 = 3(4)