Whakaoti mō x
x=-4
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x+4-2x=-8
Tangohia te 2x mai i ngā taha e rua.
3x+4=-8
Pahekotia te 5x me -2x, ka 3x.
3x=-8-4
Tangohia te 4 mai i ngā taha e rua.
3x=-12
Tangohia te 4 i te -8, ka -12.
x=\frac{-12}{3}
Whakawehea ngā taha e rua ki te 3.
x=-4
Whakawehea te -12 ki te 3, kia riro ko -4.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
y = 3x + 4
Arithmetic
699 * 533
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}