Respuesta:
Analogía:
16 (3) 1 => ( 1+3)² = 4² = 16
25 (3) 2 => (2+3)² = 5² = 25
36 (x) 4 => (4 + x)² = 36
4 + x = √36
4 + x = 6
x = 6 - 4
