If √ 26-n is an integer, find the value of natural number n Be careful! And there are negative integers

If √ 26-n is an integer, find the value of natural number n Be careful! And there are negative integers


1,10,17,22,25,26
Don't you say n is a natural number? How come it's a negative number
It's very simple when 26-n = 0 ^ 2,1 ^ 2,2 ^ 2,3 ^ 2,4 ^ 2,5 ^ 2, it's OK to calculate the natural numbers that don't include negative numbers. If you want negative numbers, there are infinitely many