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Tohaina

\left(\sqrt{5}\right)^{2}-6\sqrt{5}+9
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(\sqrt{5}-3\right)^{2}.
5-6\sqrt{5}+9
Ko te pūrua o \sqrt{5} ko 5.
14-6\sqrt{5}
Tāpirihia te 5 ki te 9, ka 14.
\left(\sqrt{5}\right)^{2}-6\sqrt{5}+9
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(\sqrt{5}-3\right)^{2}.
5-6\sqrt{5}+9
Ko te pūrua o \sqrt{5} ko 5.
14-6\sqrt{5}
Tāpirihia te 5 ki te 9, ka 14.