186k views
2 votes
Please helpppp As soon as possible

Please helpppp As soon as possible-example-1
User Bsa
by
5.0k points

1 Answer

4 votes

Answer: 4 pairs

Explanation:

121-16=105. However, 121 can be made by squaring -11 or 11. 16 can be made by squaring 4 or -4. Thus, the choices are 11,4 11,-4 -11,4 -11,-4

User Shanu T Thankachan
by
4.0k points