Whakaoti mō x
x\leq -\frac{30}{11}
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x-24x\geq 60
Tangohia te 24x mai i ngā taha e rua.
-22x\geq 60
Pahekotia te 2x me -24x, ka -22x.
x\leq \frac{60}{-22}
Whakawehea ngā taha e rua ki te -22. I te mea he tōraro a -22, ka huri te ahunga koreōrite.
x\leq -\frac{30}{11}
Whakahekea te hautanga \frac{60}{-22} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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\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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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}