It could be lots of things.
One answer can be: r2 + 9 = r2 + 32.
6 squared plus 9 squared is equal to 117.
r2+r2 = 2r2
The given expression can be simplified to: 8x squared +9
x=9 squared
That is 9 + 16 + 5 which is 30.
X = √63
109 = 9 + 100
The given expression can be simplified to: 3X squared +27
2752 = 75625 42 = 16 32 = 9 22 = 4 75625/16 + 9 + 2 = 4737.5625
the answer is 11cm. 3 squared is 9 9+2=11
2^2 + 3^2 = 4 + 9 = 13
1,340.