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

Tohaina

20x^{2}-45x-32x+72
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 5x-8 ki ia tau o 4x-9.
20x^{2}-77x+72
Pahekotia te -45x me -32x, ka -77x.
20x^{2}-45x-32x+72
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 5x-8 ki ia tau o 4x-9.
20x^{2}-77x+72
Pahekotia te -45x me -32x, ka -77x.