👤

2√72-3√2(√49-5√128)=
Va rog rezolvare completa!!❤


Răspuns :

2√72-3√2(√49-5√128)=
=
2*6√2-3√2(7-5*8√2)=
=12√2-21√2+240=
=240-9
√2=
=3(80-3
√2)