Datrys 9(t-1)-2(2t+3)-5(t+3)

$$9 ( t - 1 ) - 2 ( 2 t + 3 ) - 5 ( t + 3 )$$

Enrhifo

$$-30$$

Camau Ateb

Defnyddio’r briodwedd ddosbarthu i luosi 9 â t-1.

$$9t-9-2\left(2t+3\right)-5\left(t+3\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi -2 â 2t+3.

$$9t-9-4t-6-5\left(t+3\right)$$

Cyfuno 9t a -4t i gael 5t.

$$5t-9-6-5\left(t+3\right)$$

Tynnu 6 o -9 i gael -15.

$$5t-15-5\left(t+3\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi -5 â t+3.

$$5t-15-5t-15$$

Cyfuno 5t a -5t i gael 0.

$$-15-15$$

Tynnu 15 o -15 i gael -30.

$$-30$$

Ffactor

$$-30$$