Datrys 2y^0(y+2)+13y(y+2)+15(y+2)

$$2 y ^ { 0 } ( y + 2 ) + 13 y ( y + 2 ) + 15 ( y + 2 )$$

Enrhifo

$$\left(y+2\right)\left(13y+17\right)$$

Camau Ateb

Cyfrifo y i bŵer 0 a chael 1.

$$2\times 1\left(y+2\right)+13y\left(y+2\right)+15\left(y+2\right)$$

Lluosi 2 a 1 i gael 2.

$$2\left(y+2\right)+13y\left(y+2\right)+15\left(y+2\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi 2 â y+2.

$$2y+4+13y\left(y+2\right)+15\left(y+2\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi 13y â y+2.

$$2y+4+13y^{2}+26y+15\left(y+2\right)$$

Cyfuno 2y a 26y i gael 28y.

$$28y+4+13y^{2}+15\left(y+2\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi 15 â y+2.

$$28y+4+13y^{2}+15y+30$$

Cyfuno 28y a 15y i gael 43y.

$$43y+4+13y^{2}+30$$

Adio 4 a 30 i gael 34.

$$43y+34+13y^{2}$$

Ffactor

$$\left(y+2\right)\left(13y+17\right)$$

Camau Ateb

Ffactoriwch y term cyffredin y+2 allan drwy ddefnyddio'r briodwedd ddosbarthol.

$$\left(y+2\right)\left(2y^{0}+13y+15\right)$$

Ystyriwch 2y^{0}+13y+15. Symleiddio.

$$13y+17$$

Ailysgrifennwch y mynegiad cyfan wedi'i ffactorio.

$$\left(y+2\right)\left(13y+17\right)$$