Aromātai
a^{3}+4ab-8b^{3}-8b^{2}
Whakaroha
a^{3}+4ab-8b^{3}-8b^{2}
Tohaina
Kua tāruatia ki te papatopenga
a^{2}-4b^{2}+a^{3}-8b^{3}-\left(a^{2}-4ab+4b^{2}\right)
Whakamahia te ture huarua \left(p-q\right)^{2}=p^{2}-2pq+q^{2} hei whakaroha \left(a-2b\right)^{2}.
a^{2}-4b^{2}+a^{3}-8b^{3}-a^{2}+4ab-4b^{2}
Hei kimi i te tauaro o a^{2}-4ab+4b^{2}, kimihia te tauaro o ia taurangi.
-4b^{2}+a^{3}-8b^{3}+4ab-4b^{2}
Pahekotia te a^{2} me -a^{2}, ka 0.
-8b^{2}+a^{3}-8b^{3}+4ab
Pahekotia te -4b^{2} me -4b^{2}, ka -8b^{2}.
a^{2}-4b^{2}+a^{3}-8b^{3}-\left(a^{2}-4ab+4b^{2}\right)
Whakamahia te ture huarua \left(p-q\right)^{2}=p^{2}-2pq+q^{2} hei whakaroha \left(a-2b\right)^{2}.
a^{2}-4b^{2}+a^{3}-8b^{3}-a^{2}+4ab-4b^{2}
Hei kimi i te tauaro o a^{2}-4ab+4b^{2}, kimihia te tauaro o ia taurangi.
-4b^{2}+a^{3}-8b^{3}+4ab-4b^{2}
Pahekotia te a^{2} me -a^{2}, ka 0.
-8b^{2}+a^{3}-8b^{3}+4ab
Pahekotia te -4b^{2} me -4b^{2}, ka -8b^{2}.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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