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Problemau tebyg o chwiliad gwe

Rhannu

\left(\frac{8}{5}x\right)^{2}+x^{2}=4318^{2}
Rhannu 16x â 10 i gael \frac{8}{5}x.
\left(\frac{8}{5}\right)^{2}x^{2}+x^{2}=4318^{2}
Ehangu \left(\frac{8}{5}x\right)^{2}.
\frac{64}{25}x^{2}+x^{2}=4318^{2}
Cyfrifo \frac{8}{5} i bŵer 2 a chael \frac{64}{25}.
\frac{89}{25}x^{2}=4318^{2}
Cyfuno \frac{64}{25}x^{2} a x^{2} i gael \frac{89}{25}x^{2}.
\frac{89}{25}x^{2}=18645124
Cyfrifo 4318 i bŵer 2 a chael 18645124.
x^{2}=18645124\times \frac{25}{89}
Lluoswch y ddwy ochr â \frac{25}{89}, cilyddol \frac{89}{25}.
x^{2}=\frac{466128100}{89}
Lluosi 18645124 a \frac{25}{89} i gael \frac{466128100}{89}.
x=\frac{21590\sqrt{89}}{89} x=-\frac{21590\sqrt{89}}{89}
Cymryd isradd dwy ochr yr hafaliad.
\left(\frac{8}{5}x\right)^{2}+x^{2}=4318^{2}
Rhannu 16x â 10 i gael \frac{8}{5}x.
\left(\frac{8}{5}\right)^{2}x^{2}+x^{2}=4318^{2}
Ehangu \left(\frac{8}{5}x\right)^{2}.
\frac{64}{25}x^{2}+x^{2}=4318^{2}
Cyfrifo \frac{8}{5} i bŵer 2 a chael \frac{64}{25}.
\frac{89}{25}x^{2}=4318^{2}
Cyfuno \frac{64}{25}x^{2} a x^{2} i gael \frac{89}{25}x^{2}.
\frac{89}{25}x^{2}=18645124
Cyfrifo 4318 i bŵer 2 a chael 18645124.
\frac{89}{25}x^{2}-18645124=0
Tynnu 18645124 o'r ddwy ochr.
x=\frac{0±\sqrt{0^{2}-4\times \frac{89}{25}\left(-18645124\right)}}{2\times \frac{89}{25}}
Mae’r hafaliad hwn yn y ffurf safonol: ax^{2}+bx+c=0. Amnewidiwch \frac{89}{25} am a, 0 am b, a -18645124 am c yn y fformiwla gwadratig, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.
x=\frac{0±\sqrt{-4\times \frac{89}{25}\left(-18645124\right)}}{2\times \frac{89}{25}}
Sgwâr 0.
x=\frac{0±\sqrt{-\frac{356}{25}\left(-18645124\right)}}{2\times \frac{89}{25}}
Lluoswch -4 â \frac{89}{25}.
x=\frac{0±\sqrt{\frac{6637664144}{25}}}{2\times \frac{89}{25}}
Lluoswch -\frac{356}{25} â -18645124.
x=\frac{0±\frac{8636\sqrt{89}}{5}}{2\times \frac{89}{25}}
Cymryd isradd \frac{6637664144}{25}.
x=\frac{0±\frac{8636\sqrt{89}}{5}}{\frac{178}{25}}
Lluoswch 2 â \frac{89}{25}.
x=\frac{21590\sqrt{89}}{89}
Datryswch yr hafaliad x=\frac{0±\frac{8636\sqrt{89}}{5}}{\frac{178}{25}} pan fydd ± yn plws.
x=-\frac{21590\sqrt{89}}{89}
Datryswch yr hafaliad x=\frac{0±\frac{8636\sqrt{89}}{5}}{\frac{178}{25}} pan fydd ± yn minws.
x=\frac{21590\sqrt{89}}{89} x=-\frac{21590\sqrt{89}}{89}
Mae’r hafaliad wedi’i ddatrys nawr.