Answers

2016-07-06T18:36:11+08:00
5x²=605
x² = 605÷5
x² = 121
x = √121
x = 11
1 5 1
2016-07-06T18:36:43+08:00
The solution in the equation is +11 or -11.
1 2 1
she said "...positive integer.." so the integer must be positive
Just to be Complete... :-)