Cand pun ^ inseamna la a 2
Cand pun / inseamna radical
a^ -b^ = 24 si a - b = 2/2,aflati a+b


Răspuns :

a^2-b^2=(a-b)(a+b)
2√2×(a+b)=24
a+b=24/2√2
a+b=12/√2 rationalizezi cu √2
a+b=12√2/2
a+b=6√2