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9\left(\sqrt{2}\right)^{2}-24\sqrt{2}+16
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(3\sqrt{2}-4\right)^{2}.
9\times 2-24\sqrt{2}+16
Ko te pūrua o \sqrt{2} ko 2.
18-24\sqrt{2}+16
Whakareatia te 9 ki te 2, ka 18.
34-24\sqrt{2}
Tāpirihia te 18 ki te 16, ka 34.
9\left(\sqrt{2}\right)^{2}-24\sqrt{2}+16
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(3\sqrt{2}-4\right)^{2}.
9\times 2-24\sqrt{2}+16
Ko te pūrua o \sqrt{2} ko 2.
18-24\sqrt{2}+16
Whakareatia te 9 ki te 2, ka 18.
34-24\sqrt{2}
Tāpirihia te 18 ki te 16, ka 34.