Aromātai
x^{2}+8x-34
Whakaroha
x^{2}+8x-34
Graph
Tohaina
Kua tāruatia ki te papatopenga
\left(2x-6\right)\left(x+3\right)-\left(x-4\right)^{2}
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x-3.
2x^{2}-18-\left(x-4\right)^{2}
Whakamahia te āhuatanga tuaritanga hei whakarea te 2x-6 ki te x+3 ka whakakotahi i ngā kupu rite.
2x^{2}-18-\left(x^{2}-8x+16\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-4\right)^{2}.
2x^{2}-18-x^{2}+8x-16
Hei kimi i te tauaro o x^{2}-8x+16, kimihia te tauaro o ia taurangi.
x^{2}-18+8x-16
Pahekotia te 2x^{2} me -x^{2}, ka x^{2}.
x^{2}-34+8x
Tangohia te 16 i te -18, ka -34.
\left(2x-6\right)\left(x+3\right)-\left(x-4\right)^{2}
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x-3.
2x^{2}-18-\left(x-4\right)^{2}
Whakamahia te āhuatanga tuaritanga hei whakarea te 2x-6 ki te x+3 ka whakakotahi i ngā kupu rite.
2x^{2}-18-\left(x^{2}-8x+16\right)
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-4\right)^{2}.
2x^{2}-18-x^{2}+8x-16
Hei kimi i te tauaro o x^{2}-8x+16, kimihia te tauaro o ia taurangi.
x^{2}-18+8x-16
Pahekotia te 2x^{2} me -x^{2}, ka x^{2}.
x^{2}-34+8x
Tangohia te 16 i te -18, ka -34.
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