Whakaoti mō x
x=\frac{\sqrt{15}}{25}\approx 0.154919334
x=-\frac{\sqrt{15}}{25}\approx -0.154919334
Graph
Tohaina
Kua tāruatia ki te papatopenga
384=25\times 15\left(x^{2}+1\right)
Whakareatia te 64 ki te 6, ka 384.
384=375\left(x^{2}+1\right)
Whakareatia te 25 ki te 15, ka 375.
384=375x^{2}+375
Whakamahia te āhuatanga tohatoha hei whakarea te 375 ki te x^{2}+1.
375x^{2}+375=384
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
375x^{2}=384-375
Tangohia te 375 mai i ngā taha e rua.
375x^{2}=9
Tangohia te 375 i te 384, ka 9.
x^{2}=\frac{9}{375}
Whakawehea ngā taha e rua ki te 375.
x^{2}=\frac{3}{125}
Whakahekea te hautanga \frac{9}{375} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3.
x=\frac{\sqrt{15}}{25} x=-\frac{\sqrt{15}}{25}
Tuhia te pūtakerua o ngā taha e rua o te whārite.
384=25\times 15\left(x^{2}+1\right)
Whakareatia te 64 ki te 6, ka 384.
384=375\left(x^{2}+1\right)
Whakareatia te 25 ki te 15, ka 375.
384=375x^{2}+375
Whakamahia te āhuatanga tohatoha hei whakarea te 375 ki te x^{2}+1.
375x^{2}+375=384
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
375x^{2}+375-384=0
Tangohia te 384 mai i ngā taha e rua.
375x^{2}-9=0
Tangohia te 384 i te 375, ka -9.
x=\frac{0±\sqrt{0^{2}-4\times 375\left(-9\right)}}{2\times 375}
Kei te āhua arowhānui tēnei whārite: ax^{2}+bx+c=0. Me whakakapi 375 mō a, 0 mō b, me -9 mō c i te tikanga tātai pūrua, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{0±\sqrt{-4\times 375\left(-9\right)}}{2\times 375}
Pūrua 0.
x=\frac{0±\sqrt{-1500\left(-9\right)}}{2\times 375}
Whakareatia -4 ki te 375.
x=\frac{0±\sqrt{13500}}{2\times 375}
Whakareatia -1500 ki te -9.
x=\frac{0±30\sqrt{15}}{2\times 375}
Tuhia te pūtakerua o te 13500.
x=\frac{0±30\sqrt{15}}{750}
Whakareatia 2 ki te 375.
x=\frac{\sqrt{15}}{25}
Nā, me whakaoti te whārite x=\frac{0±30\sqrt{15}}{750} ina he tāpiri te ±.
x=-\frac{\sqrt{15}}{25}
Nā, me whakaoti te whārite x=\frac{0±30\sqrt{15}}{750} ina he tango te ±.
x=\frac{\sqrt{15}}{25} x=-\frac{\sqrt{15}}{25}
Kua oti te whārite te whakatau.
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