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96x-16x^{2}+256=256
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
96x-16x^{2}+256-256=0
Tangohia te 256 mai i ngā taha e rua.
96x-16x^{2}=0
Tangohia te 256 i te 256, ka 0.
x\left(96-16x\right)=0
Tauwehea te x.
x=0 x=6
Hei kimi otinga whārite, me whakaoti te x=0 me te 96-16x=0.
96x-16x^{2}+256=256
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
96x-16x^{2}+256-256=0
Tangohia te 256 mai i ngā taha e rua.
96x-16x^{2}=0
Tangohia te 256 i te 256, ka 0.
-16x^{2}+96x=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{-96±\sqrt{96^{2}}}{2\left(-16\right)}
Kei te āhua arowhānui tēnei whārite: ax^{2}+bx+c=0. Me whakakapi -16 mō a, 96 mō b, me 0 mō c i te tikanga tātai pūrua, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{-96±96}{2\left(-16\right)}
Tuhia te pūtakerua o te 96^{2}.
x=\frac{-96±96}{-32}
Whakareatia 2 ki te -16.
x=\frac{0}{-32}
Nā, me whakaoti te whārite x=\frac{-96±96}{-32} ina he tāpiri te ±. Tāpiri -96 ki te 96.
x=0
Whakawehe 0 ki te -32.
x=-\frac{192}{-32}
Nā, me whakaoti te whārite x=\frac{-96±96}{-32} ina he tango te ±. Tango 96 mai i -96.
x=6
Whakawehe -192 ki te -32.
x=0 x=6
Kua oti te whārite te whakatau.
96x-16x^{2}+256=256
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
96x-16x^{2}=256-256
Tangohia te 256 mai i ngā taha e rua.
96x-16x^{2}=0
Tangohia te 256 i te 256, ka 0.
-16x^{2}+96x=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.
\frac{-16x^{2}+96x}{-16}=\frac{0}{-16}
Whakawehea ngā taha e rua ki te -16.
x^{2}+\frac{96}{-16}x=\frac{0}{-16}
Mā te whakawehe ki te -16 ka wetekia te whakareanga ki te -16.
x^{2}-6x=\frac{0}{-16}
Whakawehe 96 ki te -16.
x^{2}-6x=0
Whakawehe 0 ki te -16.
x^{2}-6x+\left(-3\right)^{2}=\left(-3\right)^{2}
Whakawehea te -6, te tau whakarea o te kīanga tau x, ki te 2 kia riro ai te -3. Nā, tāpiria te pūrua o te -3 ki ngā taha e rua o te whārite. Mā konei e pūrua tika tonu ai te taha mauī o te whārite.
x^{2}-6x+9=9
Pūrua -3.
\left(x-3\right)^{2}=9
Tauwehea x^{2}-6x+9. 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-3\right)^{2}}=\sqrt{9}
Tuhia te pūtakerua o ngā taha e rua o te whārite.
x-3=3 x-3=-3
Whakarūnātia.
x=6 x=0
Me tāpiri 3 ki ngā taha e rua o te whārite.