Penjelasan dengan langkah-langkah:
9√5 - √125 + √720
=9√5 - √25 . 5 + √144 . 5
=9√5 - 5√5 + 12√5
= 4√5 + 12√5
= 16√5
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Penjelasan dengan langkah-langkah:
9√5 - √125 + √720
=9√5 - √25 . 5 + √144 . 5
=9√5 - 5√5 + 12√5
= 4√5 + 12√5
= 16√5