Penjelasan dengan langkah-langkah:
[tex]3 \sqrt{5} \times 3 \sqrt{5} = 3 \times 3 \times \sqrt{5} \times \sqrt{5} \\ = 9 \sqrt{25} \\ = 9 \times 5 \\ = 45[/tex]
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Penjelasan dengan langkah-langkah:
[tex]3 \sqrt{5} \times 3 \sqrt{5} = 3 \times 3 \times \sqrt{5} \times \sqrt{5} \\ = 9 \sqrt{25} \\ = 9 \times 5 \\ = 45[/tex]