Tīpoka ki ngā ihirangi matua
Whakaroha
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Aromātai
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Tohaina

\left(n^{2}+n\right)\left(n+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te n ki te n+1.
n^{3}+2n^{2}+n^{2}+2n
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o n^{2}+n ki ia tau o n+2.
n^{3}+3n^{2}+2n
Pahekotia te 2n^{2} me n^{2}, ka 3n^{2}.
\left(n^{2}+n\right)\left(n+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te n ki te n+1.
n^{3}+2n^{2}+n^{2}+2n
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o n^{2}+n ki ia tau o n+2.
n^{3}+3n^{2}+2n
Pahekotia te 2n^{2} me n^{2}, ka 3n^{2}.