Aromātai
27-10\sqrt{2}\approx 12.857864376
Whakaroha
27-10\sqrt{2}
Tohaina
Kua tāruatia ki te papatopenga
25-10\sqrt{2}+\left(\sqrt{2}\right)^{2}
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(5-\sqrt{2}\right)^{2}.
25-10\sqrt{2}+2
Ko te pūrua o \sqrt{2} ko 2.
27-10\sqrt{2}
Tāpirihia te 25 ki te 2, ka 27.
25-10\sqrt{2}+\left(\sqrt{2}\right)^{2}
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(5-\sqrt{2}\right)^{2}.
25-10\sqrt{2}+2
Ko te pūrua o \sqrt{2} ko 2.
27-10\sqrt{2}
Tāpirihia te 25 ki te 2, ka 27.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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Poukapa
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Ngā Tepe
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