Aromātai
x+3-\frac{4}{x}
Tauwehe
\frac{\left(x-1\right)\left(x+4\right)}{x}
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{\left(x+3\right)x}{x}-\frac{4}{x}
Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakareatia x+3 ki te \frac{x}{x}.
\frac{\left(x+3\right)x-4}{x}
Tā te mea he rite te tauraro o \frac{\left(x+3\right)x}{x} me \frac{4}{x}, me tango rāua mā te tango i ō raua taurunga.
\frac{x^{2}+3x-4}{x}
Mahia ngā whakarea i roto o \left(x+3\right)x-4.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
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Poukapa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
whārite Simultaneous
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Whakarerekētanga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}