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Whakaroha
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Tohaina

3\left(x^{2}-6x+9\right)+5
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-3\right)^{2}.
3x^{2}-18x+27+5
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x^{2}-6x+9.
3x^{2}-18x+32
Tāpirihia te 27 ki te 5, ka 32.
3\left(x^{2}-6x+9\right)+5
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-3\right)^{2}.
3x^{2}-18x+27+5
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x^{2}-6x+9.
3x^{2}-18x+32
Tāpirihia te 27 ki te 5, ka 32.