Datrys sqrt{3}(-5sqrt{10}+sqrt{6})

$$\sqrt { 3 } ( - 5 \sqrt { 10 } + \sqrt { 6 } )$$

Enrhifo

$$3\sqrt{2}-5\sqrt{30}\approx -23.143487188$$

Camau Ateb

Defnyddio’r briodwedd ddosbarthu i luosi \sqrt{3} â -5\sqrt{10}+\sqrt{6}.

$$-5\sqrt{3}\sqrt{10}+\sqrt{3}\sqrt{6}$$

I luosi \sqrt{3} a \sqrt{10}, dylid lluosi'r rhifau dan yr ail isradd.

$$-5\sqrt{30}+\sqrt{3}\sqrt{6}$$

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

$$-5\sqrt{30}+\sqrt{3}\sqrt{3}\sqrt{2}$$

Lluosi \sqrt{3} a \sqrt{3} i gael 3.

$$-5\sqrt{30}+3\sqrt{2}$$