Tīpoka ki ngā ihirangi matua
Aromātai
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Whakaroha
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\left(2-x\right)\left(\left(1-x\right)^{2}-1\right)
Whakareatia te 1-x ki te 1-x, ka \left(1-x\right)^{2}.
\left(2-x\right)\left(1-2x+x^{2}-1\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(1-x\right)^{2}.
\left(2-x\right)\left(-2x+x^{2}\right)
Tangohia te 1 i te 1, ka 0.
-4x+2x^{2}+2x^{2}-x^{3}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2-x ki ia tau o -2x+x^{2}.
-4x+4x^{2}-x^{3}
Pahekotia te 2x^{2} me 2x^{2}, ka 4x^{2}.
\left(2-x\right)\left(\left(1-x\right)^{2}-1\right)
Whakareatia te 1-x ki te 1-x, ka \left(1-x\right)^{2}.
\left(2-x\right)\left(1-2x+x^{2}-1\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(1-x\right)^{2}.
\left(2-x\right)\left(-2x+x^{2}\right)
Tangohia te 1 i te 1, ka 0.
-4x+2x^{2}+2x^{2}-x^{3}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2-x ki ia tau o -2x+x^{2}.
-4x+4x^{2}-x^{3}
Pahekotia te 2x^{2} me 2x^{2}, ka 4x^{2}.