Whakaoti mō n, o
o=317200
Tohaina
Kua tāruatia ki te papatopenga
n=1000\left(-\frac{2}{5}\right)
Whakaarohia te whārite tuatahi. Me whakarea ngā taha e rua ki te -\frac{2}{5}, te tau utu o -\frac{5}{2}.
n=-400
Whakareatia te 1000 ki te -\frac{2}{5}, ka -400.
o=7\left(-400\right)+2\left(-400\right)^{2}
Whakaarohia te whārite tuarua. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
o=-2800+2\left(-400\right)^{2}
Whakareatia te 7 ki te -400, ka -2800.
o=-2800+2\times 160000
Tātaihia te -400 mā te pū o 2, kia riro ko 160000.
o=-2800+320000
Whakareatia te 2 ki te 160000, ka 320000.
o=317200
Tāpirihia te -2800 ki te 320000, ka 317200.
n=-400 o=317200
Kua oti te pūnaha te whakatau.
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
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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}