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Whakaroha
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

9x^{2}-9x-x\left(x-9\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 9x ki te x-1.
9x^{2}-9x-\left(x^{2}-9x\right)
Whakamahia te āhuatanga tohatoha hei whakarea te x ki te x-9.
9x^{2}-9x-x^{2}-\left(-9x\right)
Hei kimi i te tauaro o x^{2}-9x, kimihia te tauaro o ia taurangi.
9x^{2}-9x-x^{2}+9x
Ko te tauaro o -9x ko 9x.
8x^{2}-9x+9x
Pahekotia te 9x^{2} me -x^{2}, ka 8x^{2}.
8x^{2}
Pahekotia te -9x me 9x, ka 0.
9x^{2}-9x-x\left(x-9\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 9x ki te x-1.
9x^{2}-9x-\left(x^{2}-9x\right)
Whakamahia te āhuatanga tohatoha hei whakarea te x ki te x-9.
9x^{2}-9x-x^{2}-\left(-9x\right)
Hei kimi i te tauaro o x^{2}-9x, kimihia te tauaro o ia taurangi.
9x^{2}-9x-x^{2}+9x
Ko te tauaro o -9x ko 9x.
8x^{2}-9x+9x
Pahekotia te 9x^{2} me -x^{2}, ka 8x^{2}.
8x^{2}
Pahekotia te -9x me 9x, ka 0.