Datrys (2sqrt{3})-(3sqrt{2})(3sqrt{8})

$$( 2 \sqrt { 3 } ) - ( 3 \sqrt { 2 } ) ( 3 \sqrt { 8 } )$$

Enrhifo

$$2\left(\sqrt{3}-18\right)\approx -32.535898385$$

Camau Ateb

Ffactora 8=2\times 4. Ailysgrifennu ail isradd y lluoswm \sqrt{2\times 4} fel lluoswm ail israddau \sqrt{2}\sqrt{4}.

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

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

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

Lluosi 3 a 2 i gael 6.

$$2\sqrt{3}-6\times 3\sqrt{4}$$

Lluosi 6 a 3 i gael 18.

$$2\sqrt{3}-18\sqrt{4}$$

Cyfrifo ail isradd 4 a chael 2.

$$2\sqrt{3}-18\times 2$$

Lluosi 18 a 2 i gael 36.

$$2\sqrt{3}-36$$

Ffactor

$$2 {(\sqrt{3} - 18)} = -32.535898385$$