SOLUTION: Find the natural number which when added to its square gives a times the next natural number ?

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Question 174438: Find the natural number which when added to its square gives a times the next natural number ?
Answer by nerdybill(7384) About Me  (Show Source):
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Find the natural number which when added to its square gives a times the next natural number ?
.
Let x = the natural number
then
x+1 = next natural number
.
x^2 + x = x+1
x^2 = 1
x = {-1, 1}
.
Tossing out the negative number:
x = 1