sebuah celana seharga Rp75.000 dijual dg diskon 20% harga jual celana tersebut Adalah hitunglah:7√24-5√54+√600-3√150 pakai cara

diskon=20%×75000=15000
-hj celana=75000-15000=60000
-7√24-5√54+√600-3√150
=7√4.6-5√9.6+√100.6-3√25.6
=7.2√6-5.3√6+10√6-3.5√6
=14√6-15√6+10√6-15√6
=-6√6

Harga diskon = 75.000 x 20% = 15.000
Harga jual celana = 75.000 - 15.000
= Rp 60.000

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= 7√24 - 5√54 + √600 - 3√150
= 7√(4 x 6) - 5√9 x 6) + √(100 x 6) - 3√(25 x 6)
= (7 x 2)√6 - (5 x 3)√6 + 10√6 - (3 x 5)√6
= 14√6 - 15√6 + 10√6 - 15√6
= 24√6 - 30√6
= -6√6