Sederhanakan no 3 - 4

• 5√24+3√3(√18+2√32)
= 5√4.6 + 3√3 (√9.2 + 2√4.8)
= 5.2√6 + 3√3 ( 3√2 + 4√8)
= 10√6 + 9√6 + 12√24
= 10√6 + 9√6 + 12√4.6
= 10√6 + 9√6 + 24√6
= 43√6

• (1 + 3√2) - ( 4 - √50)
= 1 + 3√ 2 - 4 - √25.2
= 1 + 3√2 - 4 - 5√2
= 1 - 4 + 3√2 - 5√2
= -3 -2√2