Question

Hasil dari
1.
-(3√45 - 2√25 + 2√80 + 3√80)

Answer 1

Verified answer

Jawab

- ( 3√45 - 2√25 + 2√80 + 3√80) =

= - (3 √9. √5  - 2 (5) + 5 √80)

= - ( 3.3√5 -10 + 5 .√16.√5)

= - (9√5 - 10 + 20 √5)

= - (11 √5 -10)

= 10  - 11√5