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

Tohaina

-2x-8+4
Pahekotia te 5x me -7x, ka -2x.
-2x-4
Tāpirihia te -8 ki te 4, ka -4.
-2x-4
Whakarea ka paheko i ngā kīanga tau ōrite.
2\left(-x-2\right)
Tauwehea te 2.