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Whakaroha
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Tohaina

6.25p^{2}-7.5pq+2.25q^{2}-\left(1.5p-2\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(2.5p-1.5q\right)^{2}.
6.25p^{2}-7.5pq+2.25q^{2}-1.5p+2
Hei kimi i te tauaro o 1.5p-2, kimihia te tauaro o ia taurangi.
6.25p^{2}-7.5pq+2.25q^{2}-\left(1.5p-2\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(2.5p-1.5q\right)^{2}.
6.25p^{2}-7.5pq+2.25q^{2}-1.5p+2
Hei kimi i te tauaro o 1.5p-2, kimihia te tauaro o ia taurangi.