Datrys -4/3sqrt{18}div2sqrt{8}

$$- \frac { 4 } { 3 } \sqrt { 18 } \div 2 \sqrt { 8 }$$

Enrhifo

$$-8$$

Camau Ateb

Ffactora 18=3^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 2} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{2}. Cymryd isradd 3^{2}.

$$\frac{-\frac{4}{3}\times 3\sqrt{2}}{2}\sqrt{8}$$

Canslo 3 a 3.

$$\frac{-4\sqrt{2}}{2}\sqrt{8}$$

Rhannu -4\sqrt{2} â 2 i gael -2\sqrt{2}.

$$-2\sqrt{2}\sqrt{8}$$

Ffactora 8=2^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 2} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{2}. Cymryd isradd 2^{2}.

$$-2\sqrt{2}\times 2\sqrt{2}$$

Lluosi -2 a 2 i gael -4.

$$-4\sqrt{2}\sqrt{2}$$

Lluosi \sqrt{2} a \sqrt{2} i gael 2.

$$-4\times 2$$

Lluosi -4 a 2 i gael -8.

$$-8$$

Ffactor

$$-8$$