SOLUTION: If 7 is added to the square of an integer, the result is 2 less than 10 times that integer.

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: If 7 is added to the square of an integer, the result is 2 less than 10 times that integer.       Log On


   



Question 1128420: If 7 is added to the square of an integer, the result is 2 less than 10 times that integer.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
n, the integer

n%5E2%2B7=10n-2
n%5E2-10n%2B7%2B2=0
n%5E2-10n%2B9=0
%28n-1%29%28n-9%29=0

Either integer is 1 or 9.