The sum of the square of a positive number and the square of 4 more than the number is 208

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asked May 24, 2018 153k views

2 Answers

Akshay Kulkarni · Answer 1 · 2018-05-25T10:48:34+0000

guessing

5^2 + 9^2=25+81=106

so its greater than 5

8^2+12^2=64+144= 208 bingo

you can easily guess it. i could do it formally by solving equations too but why do it when its such a simple guess

The sum of the square of a positive number and the square of 4 more than the number is 208

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