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2i\sqrt{3}+\sqrt{3}
Tauwehea te -12=\left(2i\right)^{2}\times 3. Tuhia anō te pūtake rua o te hua \sqrt{\left(2i\right)^{2}\times 3} hei hua o ngā pūtake rua \sqrt{\left(2i\right)^{2}}\sqrt{3}. Tuhia te pūtakerua o te \left(2i\right)^{2}.
\left(1+2i\right)\sqrt{3}
Pahekotia te 2i\sqrt{3} me \sqrt{3}, ka \left(1+2i\right)\sqrt{3}.