Question

53^2+2*53*47+47^2
_______________
76^2-2*76*51+51^2

Answer 1

53^2+2*53*47+47^2_______________76^2-2*76*51+51^2

== (53+47)^2/(76-51)^2=100^2/25^2=25^2*4^2/25^2=4^2=16