Datrys 15/2a^2-1/3a-1+1/2a-1/4a+5-4+frac{1}{6}a

$$\frac{ 15 }{ 2 } { a }^{ 2 } - \frac{ 1 }{ 3 } a-1+ \frac{ 1 }{ 2 } a- \frac{ 1 }{ 4 } a+5-4+ \frac{ 1 }{ 6 } a$$

Enrhifo

$$\frac{15a^{2}}{2}+\frac{a}{12}$$

Camau Ateb

Cyfuno -\frac{1}{3}a a \frac{1}{2}a i gael \frac{1}{6}a.

$$\frac{15}{2}a^{2}+\frac{1}{6}a-1-\frac{1}{4}a+5-4+\frac{1}{6}a$$

Cyfuno \frac{1}{6}a a -\frac{1}{4}a i gael -\frac{1}{12}a.

$$\frac{15}{2}a^{2}-\frac{1}{12}a-1+5-4+\frac{1}{6}a$$

Adio -1 a 5 i gael 4.

$$\frac{15}{2}a^{2}-\frac{1}{12}a+4-4+\frac{1}{6}a$$

Tynnu 4 o 4 i gael 0.

$$\frac{15}{2}a^{2}-\frac{1}{12}a+\frac{1}{6}a$$

Cyfuno -\frac{1}{12}a a \frac{1}{6}a i gael \frac{1}{12}a.

$$\frac{15}{2}a^{2}+\frac{1}{12}a$$

Ffactor

$$\frac{a\left(90a+1\right)}{12}$$

Camau Ateb

Ffactora allan \frac{1}{12}.

$$\frac{90a^{2}+a}{12}$$

Ystyriwch 90a^{2}-4a-12+6a-3a+60-48+2a. Lluosi a chyfuno termau sydd yr un fath.

$$90a^{2}+a$$

Ystyriwch 90a^{2}+a. Ffactora allan a.

$$a\left(90a+1\right)$$

Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.

$$\frac{a\left(90a+1\right)}{12}$$