√(325^2-300^2)=√((325-300)(325+300))=√(25*625)=5*25=125
√325^2 - 300^2 = √(325 - 300) (325+300) = √25*√ 625 = 5*25= 125
√(325^2-300^2)=√((325-300)(325+300))=√(25*625)=5*25=125
√325^2 - 300^2 = √(325 - 300) (325+300) = √25*√ 625 = 5*25= 125