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30\sqrt{10}\sqrt{15}
Whakareatia te -5 ki te -6, ka 30.
30\sqrt{150}
Hei whakarea \sqrt{10} me \sqrt{15}, whakareatia ngā tau i raro i te pūtake rua.
30\times 5\sqrt{6}
Tauwehea te 150=5^{2}\times 6. Tuhia anō te pūtake rua o te hua \sqrt{5^{2}\times 6} hei hua o ngā pūtake rua \sqrt{5^{2}}\sqrt{6}. Tuhia te pūtakerua o te 5^{2}.
150\sqrt{6}
Whakareatia te 30 ki te 5, ka 150.