Aromātai
7\sqrt{7}-4\sqrt{58}\approx -11.942833246
Tohaina
Kua tāruatia ki te papatopenga
4\sqrt{7}+\sqrt{63}-2\sqrt{232}
Tauwehea te 112=4^{2}\times 7. Tuhia anō te pūtake rua o te hua \sqrt{4^{2}\times 7} hei hua o ngā pūtake rua \sqrt{4^{2}}\sqrt{7}. Tuhia te pūtakerua o te 4^{2}.
4\sqrt{7}+3\sqrt{7}-2\sqrt{232}
Tauwehea te 63=3^{2}\times 7. Tuhia anō te pūtake rua o te hua \sqrt{3^{2}\times 7} hei hua o ngā pūtake rua \sqrt{3^{2}}\sqrt{7}. Tuhia te pūtakerua o te 3^{2}.
7\sqrt{7}-2\sqrt{232}
Pahekotia te 4\sqrt{7} me 3\sqrt{7}, ka 7\sqrt{7}.
7\sqrt{7}-2\times 2\sqrt{58}
Tauwehea te 232=2^{2}\times 58. Tuhia anō te pūtake rua o te hua \sqrt{2^{2}\times 58} hei hua o ngā pūtake rua \sqrt{2^{2}}\sqrt{58}. Tuhia te pūtakerua o te 2^{2}.
7\sqrt{7}-4\sqrt{58}
Whakareatia te -2 ki te 2, ka -4.
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