Datrys 9541x*90(50x*3)=4128

$$9541x \times 90(50x \times 3)=4128$$

Datrys ar gyfer x

$$x=\frac{2\sqrt{4102630}}{715575}\approx 0.005661168$$

$$x=-\frac{2\sqrt{4102630}}{715575}\approx -0.005661168$$

Camau drwy Ganfod Isradd

Lluosi x a x i gael x^{2}.

$$9541x^{2}\times 90\times 50\times 3=4128$$

Lluosi 9541 a 90 i gael 858690.

$$858690x^{2}\times 50\times 3=4128$$

Lluosi 858690 a 50 i gael 42934500.

$$42934500x^{2}\times 3=4128$$

Lluosi 42934500 a 3 i gael 128803500.

$$128803500x^{2}=4128$$

Rhannu’r ddwy ochr â 128803500.

$$x^{2}=\frac{4128}{128803500}$$

Lleihau'r ffracsiwn \frac{4128}{128803500} i'r graddau lleiaf posib drwy dynnu a chanslo allan 12.

$$x^{2}=\frac{344}{10733625}$$

Cymryd isradd dwy ochr yr hafaliad.

$$x=\frac{2\sqrt{4102630}}{715575} x=-\frac{2\sqrt{4102630}}{715575}$$

Camau gan Ddefnyddio’r Fformiwla Cwadratig

Lluosi x a x i gael x^{2}.

$$9541x^{2}\times 90\times 50\times 3=4128$$

Lluosi 9541 a 90 i gael 858690.

$$858690x^{2}\times 50\times 3=4128$$

Lluosi 858690 a 50 i gael 42934500.

$$42934500x^{2}\times 3=4128$$

Lluosi 42934500 a 3 i gael 128803500.

$$128803500x^{2}=4128$$

Tynnu 4128 o'r ddwy ochr.

$$128803500x^{2}-4128=0$$

Mae’r hafaliad hwn yn y ffurf safonol: ax^{2}+bx+c=0. Amnewidiwch 128803500 am a, 0 am b, a -4128 am c yn y fformiwla gwadratig, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.

$$x=\frac{0±\sqrt{0^{2}-4\times 128803500\left(-4128\right)}}{2\times 128803500}$$

Sgwâr 0.

$$x=\frac{0±\sqrt{-4\times 128803500\left(-4128\right)}}{2\times 128803500}$$

Lluoswch -4 â 128803500.

$$x=\frac{0±\sqrt{-515214000\left(-4128\right)}}{2\times 128803500}$$

Lluoswch -515214000 â -4128.

$$x=\frac{0±\sqrt{2126803392000}}{2\times 128803500}$$

Cymryd isradd 2126803392000.

$$x=\frac{0±720\sqrt{4102630}}{2\times 128803500}$$

Lluoswch 2 â 128803500.

$$x=\frac{0±720\sqrt{4102630}}{257607000}$$

Datryswch yr hafaliad x=\frac{0±720\sqrt{4102630}}{257607000} pan fydd ± yn plws.

$$x=\frac{2\sqrt{4102630}}{715575}$$

Datryswch yr hafaliad x=\frac{0±720\sqrt{4102630}}{257607000} pan fydd ± yn minws.

$$x=-\frac{2\sqrt{4102630}}{715575}$$

Mae’r hafaliad wedi’i ddatrys nawr.

$$x=\frac{2\sqrt{4102630}}{715575} x=-\frac{2\sqrt{4102630}}{715575}$$