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Whakaoti mō A
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Whakaoti mō x (complex solution)
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Whakaoti mō x
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A=x^{2}-20x+100
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-10\right)^{2}.