Question

simplificar

1 ) √8 + √32 + √72 - √50

2 ) √20 + √24 + √125 - √54

Answer 1

1)√8 + √32 + ³72 - √50 =
√2² . 2 + √2² . 2² . 2 + √2² . 2 . 3²  - √ 2 . 5² =
2√2  +  2.2√2   + 2.3√2    -   5 √2 = 
2√2 + 4 √2 + 6 √2 - 5 √2 =
7√2