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Whakaoti mō x (complex solution)
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Whakaoti mō x
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x^{2}+1738x-20772=0
Ko ngā whārite katoa o te āhua ax^{2}+bx+c=0 ka taea te whakaoti mā te whakamahi i te tikanga tātai pūrua: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. E rua ngā otinga ka puta i te tikanga tātai pūrua, ko tētahi ina he tāpiri a ±, ā, ko tētahi ina he tango.
x=\frac{-1738±\sqrt{1738^{2}-4\left(-20772\right)}}{2}
Kei te āhua arowhānui tēnei whārite: ax^{2}+bx+c=0. Me whakakapi 1 mō a, 1738 mō b, me -20772 mō c i te tikanga tātai pūrua, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{-1738±\sqrt{3020644-4\left(-20772\right)}}{2}
Pūrua 1738.
x=\frac{-1738±\sqrt{3020644+83088}}{2}
Whakareatia -4 ki te -20772.
x=\frac{-1738±\sqrt{3103732}}{2}
Tāpiri 3020644 ki te 83088.
x=\frac{-1738±2\sqrt{775933}}{2}
Tuhia te pūtakerua o te 3103732.
x=\frac{2\sqrt{775933}-1738}{2}
Nā, me whakaoti te whārite x=\frac{-1738±2\sqrt{775933}}{2} ina he tāpiri te ±. Tāpiri -1738 ki te 2\sqrt{775933}.
x=\sqrt{775933}-869
Whakawehe -1738+2\sqrt{775933} ki te 2.
x=\frac{-2\sqrt{775933}-1738}{2}
Nā, me whakaoti te whārite x=\frac{-1738±2\sqrt{775933}}{2} ina he tango te ±. Tango 2\sqrt{775933} mai i -1738.
x=-\sqrt{775933}-869
Whakawehe -1738-2\sqrt{775933} ki te 2.
x=\sqrt{775933}-869 x=-\sqrt{775933}-869
Kua oti te whārite te whakatau.
x^{2}+1738x-20772=0
Ko ngā whārite pūrua pēnei i tēnei nā ka taea te whakaoti mā te whakaoti i te pūrua. Hei whakaoti i te pūrua, ko te whārite me mātua tuhi ki te āhua x^{2}+bx=c.
x^{2}+1738x-20772-\left(-20772\right)=-\left(-20772\right)
Me tāpiri 20772 ki ngā taha e rua o te whārite.
x^{2}+1738x=-\left(-20772\right)
Mā te tango i te -20772 i a ia ake anō ka toe ko te 0.
x^{2}+1738x=20772
Tango -20772 mai i 0.
x^{2}+1738x+869^{2}=20772+869^{2}
Whakawehea te 1738, te tau whakarea o te kīanga tau x, ki te 2 kia riro ai te 869. Nā, tāpiria te pūrua o te 869 ki ngā taha e rua o te whārite. Mā konei e pūrua tika tonu ai te taha mauī o te whārite.
x^{2}+1738x+755161=20772+755161
Pūrua 869.
x^{2}+1738x+755161=775933
Tāpiri 20772 ki te 755161.
\left(x+869\right)^{2}=775933
Tauwehea x^{2}+1738x+755161. 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+869\right)^{2}}=\sqrt{775933}
Tuhia te pūtakerua o ngā taha e rua o te whārite.
x+869=\sqrt{775933} x+869=-\sqrt{775933}
Whakarūnātia.
x=\sqrt{775933}-869 x=-\sqrt{775933}-869
Me tango 869 mai i ngā taha e rua o te whārite.
x^{2}+1738x-20772=0
Ko ngā whārite katoa o te āhua ax^{2}+bx+c=0 ka taea te whakaoti mā te whakamahi i te tikanga tātai pūrua: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. E rua ngā otinga ka puta i te tikanga tātai pūrua, ko tētahi ina he tāpiri a ±, ā, ko tētahi ina he tango.
x=\frac{-1738±\sqrt{1738^{2}-4\left(-20772\right)}}{2}
Kei te āhua arowhānui tēnei whārite: ax^{2}+bx+c=0. Me whakakapi 1 mō a, 1738 mō b, me -20772 mō c i te tikanga tātai pūrua, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{-1738±\sqrt{3020644-4\left(-20772\right)}}{2}
Pūrua 1738.
x=\frac{-1738±\sqrt{3020644+83088}}{2}
Whakareatia -4 ki te -20772.
x=\frac{-1738±\sqrt{3103732}}{2}
Tāpiri 3020644 ki te 83088.
x=\frac{-1738±2\sqrt{775933}}{2}
Tuhia te pūtakerua o te 3103732.
x=\frac{2\sqrt{775933}-1738}{2}
Nā, me whakaoti te whārite x=\frac{-1738±2\sqrt{775933}}{2} ina he tāpiri te ±. Tāpiri -1738 ki te 2\sqrt{775933}.
x=\sqrt{775933}-869
Whakawehe -1738+2\sqrt{775933} ki te 2.
x=\frac{-2\sqrt{775933}-1738}{2}
Nā, me whakaoti te whārite x=\frac{-1738±2\sqrt{775933}}{2} ina he tango te ±. Tango 2\sqrt{775933} mai i -1738.
x=-\sqrt{775933}-869
Whakawehe -1738-2\sqrt{775933} ki te 2.
x=\sqrt{775933}-869 x=-\sqrt{775933}-869
Kua oti te whārite te whakatau.
x^{2}+1738x-20772=0
Ko ngā whārite pūrua pēnei i tēnei nā ka taea te whakaoti mā te whakaoti i te pūrua. Hei whakaoti i te pūrua, ko te whārite me mātua tuhi ki te āhua x^{2}+bx=c.
x^{2}+1738x-20772-\left(-20772\right)=-\left(-20772\right)
Me tāpiri 20772 ki ngā taha e rua o te whārite.
x^{2}+1738x=-\left(-20772\right)
Mā te tango i te -20772 i a ia ake anō ka toe ko te 0.
x^{2}+1738x=20772
Tango -20772 mai i 0.
x^{2}+1738x+869^{2}=20772+869^{2}
Whakawehea te 1738, te tau whakarea o te kīanga tau x, ki te 2 kia riro ai te 869. Nā, tāpiria te pūrua o te 869 ki ngā taha e rua o te whārite. Mā konei e pūrua tika tonu ai te taha mauī o te whārite.
x^{2}+1738x+755161=20772+755161
Pūrua 869.
x^{2}+1738x+755161=775933
Tāpiri 20772 ki te 755161.
\left(x+869\right)^{2}=775933
Tauwehea x^{2}+1738x+755161. 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+869\right)^{2}}=\sqrt{775933}
Tuhia te pūtakerua o ngā taha e rua o te whārite.
x+869=\sqrt{775933} x+869=-\sqrt{775933}
Whakarūnātia.
x=\sqrt{775933}-869 x=-\sqrt{775933}-869
Me tango 869 mai i ngā taha e rua o te whārite.