Tīpoka ki ngā ihirangi matua
Aromātai
Tick mark Image
Tauwehe
Tick mark Image
Graph

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x^{2}-49-x^{2}
Whakaarohia te \left(x-7\right)\left(x+7\right). Ka taea te whakareanga te panoni ki te rerekētanga o ngā pūrua mā te ture: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}. Pūrua 7.
-49
Pahekotia te x^{2} me -x^{2}, ka 0.