√50-√72+√128-√18 tolong bantu saya.kerjakan soal”itu

√50
= √25.2
= 5√2
√72
= √36.2
= 6√2
√128
= √64.2
= 8√2
√18
=√9.2
= 3√2

5√2 – 6√2 + 8√2 – 3√2
= -1√2 + 8√2 – 3√2
= 7√2 – 3√2
= 4√2

semoga bermanfaat^^