Whakaoti i te (-3b/7+b/2)*(-3)

$$( - \frac { 3 b } { 7 } + \frac { b } { 2 } ) \cdot ( - 3 )$$

Aromātai

$$-\frac{3b}{14}$$

Ngā Hipanga Rongoā Poto

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o 7 me 2 ko 14. Whakareatia -\frac{3b}{7} ki te \frac{2}{2}. Whakareatia \frac{b}{2} ki te \frac{7}{7}.

$$\left(-\frac{2\times 3b}{14}+\frac{7b}{14}\right)\left(-3\right)$$

Tā te mea he rite te tauraro o -\frac{2\times 3b}{14} me \frac{7b}{14}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{-2\times 3b+7b}{14}\left(-3\right)$$

Mahia ngā whakarea i roto o -2\times 3b+7b.

$$\frac{-6b+7b}{14}\left(-3\right)$$

Whakakotahitia ngā kupu rite i -6b+7b.

$$\frac{b}{14}\left(-3\right)$$

Tuhia te \frac{b}{14}\left(-3\right) hei hautanga kotahi.

$$\frac{-b\times 3}{14}$$

Whakareatia te -1 ki te 3, ka -3.

$$\frac{-3b}{14}$$

Whakaroha

$$-\frac{3b}{14}$$

Ngā Hipanga Rongoā Poto

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Ko te taurea pātahi iti rawa o 7 me 2 ko 14. Whakareatia -\frac{3b}{7} ki te \frac{2}{2}. Whakareatia \frac{b}{2} ki te \frac{7}{7}.

$$\left(-\frac{2\times 3b}{14}+\frac{7b}{14}\right)\left(-3\right)$$

Tā te mea he rite te tauraro o -\frac{2\times 3b}{14} me \frac{7b}{14}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{-2\times 3b+7b}{14}\left(-3\right)$$

Mahia ngā whakarea i roto o -2\times 3b+7b.

$$\frac{-6b+7b}{14}\left(-3\right)$$

Whakakotahitia ngā kupu rite i -6b+7b.

$$\frac{b}{14}\left(-3\right)$$

Tuhia te \frac{b}{14}\left(-3\right) hei hautanga kotahi.

$$\frac{-b\times 3}{14}$$

Whakareatia te -1 ki te 3, ka -3.

$$\frac{-3b}{14}$$