Whakaoti mō x
x=8.8
Graph
Tohaina
Kua tāruatia ki te papatopenga
-17.5x=-154
Pahekotia te -12.6x me -4.9x, ka -17.5x.
x=\frac{-154}{-17.5}
Whakawehea ngā taha e rua ki te -17.5.
x=\frac{-1540}{-175}
Whakarohaina te \frac{-154}{-17.5} mā te whakarea i te taurunga me te tauraro ki te 10.
x=\frac{44}{5}
Whakahekea te hautanga \frac{-1540}{-175} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -35.
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]
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Whakarerekētanga
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Ngā Tepe
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