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Whakaroha
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Tohaina

125x^{3}-300x^{2}+240x-64+8
Whakamahia te ture huarua \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} hei whakaroha \left(5x-4\right)^{3}.
125x^{3}-300x^{2}+240x-56
Tāpirihia te -64 ki te 8, ka -56.
125x^{3}-300x^{2}+240x-64+8
Whakamahia te ture huarua \left(a-b\right)^{3}=a^{3}-3a^{2}b+3ab^{2}-b^{3} hei whakaroha \left(5x-4\right)^{3}.
125x^{3}-300x^{2}+240x-56
Tāpirihia te -64 ki te 8, ka -56.