Whakaoti mō d
d=3
Tohaina
Kua tāruatia ki te papatopenga
-5d=2-17
Tangohia te 17 mai i ngā taha e rua.
-5d=-15
Tangohia te 17 i te 2, ka -15.
d=\frac{-15}{-5}
Whakawehea ngā taha e rua ki te -5.
d=3
Whakawehea te -15 ki te -5, kia riro ko 3.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
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
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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}