Aromātai
-3x^{3}+6x^{2}+15x-82
Whakaroha
-3x^{3}+6x^{2}+15x-82
Graph
Tohaina
Kua tāruatia ki te papatopenga
x^{4}-x^{2}-72-\left(x^{2}-5\right)\left(x^{2}+3x-2\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te x^{2}-9 ki te x^{2}+8 ka whakakotahi i ngā kupu rite.
x^{4}-x^{2}-72-\left(x^{4}+3x^{3}-7x^{2}-15x+10\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te x^{2}-5 ki te x^{2}+3x-2 ka whakakotahi i ngā kupu rite.
x^{4}-x^{2}-72-x^{4}-3x^{3}+7x^{2}+15x-10
Hei kimi i te tauaro o x^{4}+3x^{3}-7x^{2}-15x+10, kimihia te tauaro o ia taurangi.
-x^{2}-72-3x^{3}+7x^{2}+15x-10
Pahekotia te x^{4} me -x^{4}, ka 0.
6x^{2}-72-3x^{3}+15x-10
Pahekotia te -x^{2} me 7x^{2}, ka 6x^{2}.
6x^{2}-82-3x^{3}+15x
Tangohia te 10 i te -72, ka -82.
x^{4}-x^{2}-72-\left(x^{2}-5\right)\left(x^{2}+3x-2\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te x^{2}-9 ki te x^{2}+8 ka whakakotahi i ngā kupu rite.
x^{4}-x^{2}-72-\left(x^{4}+3x^{3}-7x^{2}-15x+10\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te x^{2}-5 ki te x^{2}+3x-2 ka whakakotahi i ngā kupu rite.
x^{4}-x^{2}-72-x^{4}-3x^{3}+7x^{2}+15x-10
Hei kimi i te tauaro o x^{4}+3x^{3}-7x^{2}-15x+10, kimihia te tauaro o ia taurangi.
-x^{2}-72-3x^{3}+7x^{2}+15x-10
Pahekotia te x^{4} me -x^{4}, ka 0.
6x^{2}-72-3x^{3}+15x-10
Pahekotia te -x^{2} me 7x^{2}, ka 6x^{2}.
6x^{2}-82-3x^{3}+15x
Tangohia te 10 i te -72, ka -82.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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Poukapa
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whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}