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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

25x^{2}-10x+1-\left(15x^{2}+2x-1\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te 5x-1 ki te 3x+1 ka whakakotahi i ngā kupu rite.
25x^{2}-10x+1-15x^{2}-2x+1
Hei kimi i te tauaro o 15x^{2}+2x-1, kimihia te tauaro o ia taurangi.
10x^{2}-10x+1-2x+1
Pahekotia te 25x^{2} me -15x^{2}, ka 10x^{2}.
10x^{2}-12x+1+1
Pahekotia te -10x me -2x, ka -12x.
10x^{2}-12x+2
Tāpirihia te 1 ki te 1, ka 2.
25x^{2}-10x+1-\left(15x^{2}+2x-1\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te 5x-1 ki te 3x+1 ka whakakotahi i ngā kupu rite.
25x^{2}-10x+1-15x^{2}-2x+1
Hei kimi i te tauaro o 15x^{2}+2x-1, kimihia te tauaro o ia taurangi.
10x^{2}-10x+1-2x+1
Pahekotia te 25x^{2} me -15x^{2}, ka 10x^{2}.
10x^{2}-12x+1+1
Pahekotia te -10x me -2x, ka -12x.
10x^{2}-12x+2
Tāpirihia te 1 ki te 1, ka 2.