Whakaoti mō x (complex solution)
x=\frac{4225+65\sqrt{4223}i}{16}\approx 264.0625+263.999992602i
x=\frac{-65\sqrt{4223}i+4225}{16}\approx 264.0625-263.999992602i
Graph
Pātaitai
Quadratic Equation
5 raruraru e ōrite ana ki:
\frac { - 32 x ^ { 2 } } { 130 ^ { 2 } } + x = 264
Tohaina
Kua tāruatia ki te papatopenga
\frac{-32x^{2}}{16900}+x=264
Tātaihia te 130 mā te pū o 2, kia riro ko 16900.
-\frac{8}{4225}x^{2}+x=264
Whakawehea te -32x^{2} ki te 16900, kia riro ko -\frac{8}{4225}x^{2}.
-\frac{8}{4225}x^{2}+x-264=0
Tangohia te 264 mai i ngā taha e rua.
x=\frac{-1±\sqrt{1^{2}-4\left(-\frac{8}{4225}\right)\left(-264\right)}}{2\left(-\frac{8}{4225}\right)}
Kei te āhua arowhānui tēnei whārite: ax^{2}+bx+c=0. Me whakakapi -\frac{8}{4225} mō a, 1 mō b, me -264 mō c i te tikanga tātai pūrua, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{-1±\sqrt{1-4\left(-\frac{8}{4225}\right)\left(-264\right)}}{2\left(-\frac{8}{4225}\right)}
Pūrua 1.
x=\frac{-1±\sqrt{1+\frac{32}{4225}\left(-264\right)}}{2\left(-\frac{8}{4225}\right)}
Whakareatia -4 ki te -\frac{8}{4225}.
x=\frac{-1±\sqrt{1-\frac{8448}{4225}}}{2\left(-\frac{8}{4225}\right)}
Whakareatia \frac{32}{4225} ki te -264.
x=\frac{-1±\sqrt{-\frac{4223}{4225}}}{2\left(-\frac{8}{4225}\right)}
Tāpiri 1 ki te -\frac{8448}{4225}.
x=\frac{-1±\frac{\sqrt{4223}i}{65}}{2\left(-\frac{8}{4225}\right)}
Tuhia te pūtakerua o te -\frac{4223}{4225}.
x=\frac{-1±\frac{\sqrt{4223}i}{65}}{-\frac{16}{4225}}
Whakareatia 2 ki te -\frac{8}{4225}.
x=\frac{\frac{\sqrt{4223}i}{65}-1}{-\frac{16}{4225}}
Nā, me whakaoti te whārite x=\frac{-1±\frac{\sqrt{4223}i}{65}}{-\frac{16}{4225}} ina he tāpiri te ±. Tāpiri -1 ki te \frac{i\sqrt{4223}}{65}.
x=\frac{-65\sqrt{4223}i+4225}{16}
Whakawehe -1+\frac{i\sqrt{4223}}{65} ki te -\frac{16}{4225} mā te whakarea -1+\frac{i\sqrt{4223}}{65} ki te tau huripoki o -\frac{16}{4225}.
x=\frac{-\frac{\sqrt{4223}i}{65}-1}{-\frac{16}{4225}}
Nā, me whakaoti te whārite x=\frac{-1±\frac{\sqrt{4223}i}{65}}{-\frac{16}{4225}} ina he tango te ±. Tango \frac{i\sqrt{4223}}{65} mai i -1.
x=\frac{4225+65\sqrt{4223}i}{16}
Whakawehe -1-\frac{i\sqrt{4223}}{65} ki te -\frac{16}{4225} mā te whakarea -1-\frac{i\sqrt{4223}}{65} ki te tau huripoki o -\frac{16}{4225}.
x=\frac{-65\sqrt{4223}i+4225}{16} x=\frac{4225+65\sqrt{4223}i}{16}
Kua oti te whārite te whakatau.
\frac{-32x^{2}}{16900}+x=264
Tātaihia te 130 mā te pū o 2, kia riro ko 16900.
-\frac{8}{4225}x^{2}+x=264
Whakawehea te -32x^{2} ki te 16900, kia riro ko -\frac{8}{4225}x^{2}.
\frac{-\frac{8}{4225}x^{2}+x}{-\frac{8}{4225}}=\frac{264}{-\frac{8}{4225}}
Whakawehea ngā taha e rua o te whārite ki te -\frac{8}{4225}, he ōrite ki te whakarea i ngā taha e rua ki te tau huripoki o te hautanga.
x^{2}+\frac{1}{-\frac{8}{4225}}x=\frac{264}{-\frac{8}{4225}}
Mā te whakawehe ki te -\frac{8}{4225} ka wetekia te whakareanga ki te -\frac{8}{4225}.
x^{2}-\frac{4225}{8}x=\frac{264}{-\frac{8}{4225}}
Whakawehe 1 ki te -\frac{8}{4225} mā te whakarea 1 ki te tau huripoki o -\frac{8}{4225}.
x^{2}-\frac{4225}{8}x=-139425
Whakawehe 264 ki te -\frac{8}{4225} mā te whakarea 264 ki te tau huripoki o -\frac{8}{4225}.
x^{2}-\frac{4225}{8}x+\left(-\frac{4225}{16}\right)^{2}=-139425+\left(-\frac{4225}{16}\right)^{2}
Whakawehea te -\frac{4225}{8}, te tau whakarea o te kīanga tau x, ki te 2 kia riro ai te -\frac{4225}{16}. Nā, tāpiria te pūrua o te -\frac{4225}{16} ki ngā taha e rua o te whārite. Mā konei e pūrua tika tonu ai te taha mauī o te whārite.
x^{2}-\frac{4225}{8}x+\frac{17850625}{256}=-139425+\frac{17850625}{256}
Pūruatia -\frac{4225}{16} mā te pūrua i te taurunga me te tauraro o te hautanga.
x^{2}-\frac{4225}{8}x+\frac{17850625}{256}=-\frac{17842175}{256}
Tāpiri -139425 ki te \frac{17850625}{256}.
\left(x-\frac{4225}{16}\right)^{2}=-\frac{17842175}{256}
Tauwehea x^{2}-\frac{4225}{8}x+\frac{17850625}{256}. Ko te tikanga pūnoa, ina ko x^{2}+bx+c he pūrua tika pūrua tika pū, ka taea taua mea te tauwehea i ngā wā katoa hei \left(x+\frac{b}{2}\right)^{2}.
\sqrt{\left(x-\frac{4225}{16}\right)^{2}}=\sqrt{-\frac{17842175}{256}}
Tuhia te pūtakerua o ngā taha e rua o te whārite.
x-\frac{4225}{16}=\frac{65\sqrt{4223}i}{16} x-\frac{4225}{16}=-\frac{65\sqrt{4223}i}{16}
Whakarūnātia.
x=\frac{4225+65\sqrt{4223}i}{16} x=\frac{-65\sqrt{4223}i+4225}{16}
Me tāpiri \frac{4225}{16} ki ngā taha e rua o te whārite.
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}