Remember that squaring something is just multiplying that number by itself.
[tex]55^2 = 55 \times 55 = 3025[/tex]
[tex]95^2 = 95 \times 95 = 9025[/tex]
[tex]75^2 = 75 \times 75 = 5625[/tex]
[tex]45^2 = 45 \times 45 = 2025[/tex]
[tex]35^2 = 35 \times 35 = 1225[/tex]
