Datrys -sqrt{54}+2sqrt{24}

$$- \sqrt { 54 } + 2 \sqrt { 24 }$$

Enrhifo

$$\sqrt{6}\approx 2.449489743$$

Camau Ateb

Ffactora 54=3^{2}\times 6. Ailysgrifennu ail isradd y lluoswm \sqrt{3^{2}\times 6} fel lluoswm ail israddau \sqrt{3^{2}}\sqrt{6}. Cymryd isradd 3^{2}.

$$-3\sqrt{6}+2\sqrt{24}$$

Ffactora 24=2^{2}\times 6. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 6} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{6}. Cymryd isradd 2^{2}.

$$-3\sqrt{6}+2\times 2\sqrt{6}$$

Lluosi 2 a 2 i gael 4.

$$-3\sqrt{6}+4\sqrt{6}$$

Cyfuno -3\sqrt{6} a 4\sqrt{6} i gael \sqrt{6}.

$$\sqrt{6}$$