Whakaoti mō x
x\in (-\infty,-6]\cup [-1,\infty)
Graph
Tohaina
Kua tāruatia ki te papatopenga
x+6\leq 0 x+1\leq 0
Kia ≥0 te otinga, me ≤0 tahi, me ≥0 tahi rānei te x+6 me te x+1. Whakaarohia te tauira ina he ≤0 tahi te x+6 me te x+1.
x\leq -6
Te otinga e whakaea i ngā koreōrite e rua ko x\leq -6.
x+1\geq 0 x+6\geq 0
Whakaarohia te tauira ina he ≥0 tahi te x+6 me te x+1.
x\geq -1
Te otinga e whakaea i ngā koreōrite e rua ko x\geq -1.
x\leq -6\text{; }x\geq -1
Ko te otinga whakamutunga ko te whakakotahi i ngā otinga kua whiwhi.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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