Contoh:
1. √20 + √45 = √4 5 + √9 5
= 2√5 + 3√5
= (2+3)√5
= 5√5
2. √18 + √50 - √72 = √9 2 + √25 2 - √36 2
= 3√2 + 5√2 - 6√2
= (3 + 5 – 6)√2
= 2√2
3. 7√6 x 5√2 = 7 x 5 x √6 2
= 35√12
= 35 √4 3
= 35 x 2 √3
4. √24 :√3 = √24: 3
= √8
= √4 2
= 2√2
Indikator 3.1.15
Menyederhanakan bentuk akar.