Whakaoti mō x
x=-4.8
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x+5-0.5x=-7
Tangohia te 0.5x mai i ngā taha e rua.
2.5x+5=-7
Pahekotia te 3x me -0.5x, ka 2.5x.
2.5x=-7-5
Tangohia te 5 mai i ngā taha e rua.
2.5x=-12
Tangohia te 5 i te -7, ka -12.
x=\frac{-12}{2.5}
Whakawehea ngā taha e rua ki te 2.5.
x=\frac{-120}{25}
Whakarohaina te \frac{-12}{2.5} mā te whakarea i te taurunga me te tauraro ki te 10.
x=-\frac{24}{5}
Whakahekea te hautanga \frac{-120}{25} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
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Arithmetic
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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
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
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