Whakaoti i te 15x^3-14x^2-8xdiv5x+2

$$15 { x }^{ 3 } -14 { x }^{ 2 } -8x \div 5x+2$$

Aromātai

$$15x^{3}-\frac{78x^{2}}{5}+2$$

Ngā Hipanga Rongoā Poto

Tuhia te \frac{8x}{5}x hei hautanga kotahi.

$$15x^{3}-14x^{2}-\frac{8xx}{5}+2$$

Whakareatia te x ki te x, ka x^{2}.

$$15x^{3}-14x^{2}-\frac{8x^{2}}{5}+2$$

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakareatia 15x^{3}-14x^{2} ki te \frac{5}{5}.

$$\frac{5\left(15x^{3}-14x^{2}\right)}{5}-\frac{8x^{2}}{5}+2$$

Tā te mea he rite te tauraro o \frac{5\left(15x^{3}-14x^{2}\right)}{5} me \frac{8x^{2}}{5}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{5\left(15x^{3}-14x^{2}\right)-8x^{2}}{5}+2$$

Mahia ngā whakarea i roto o 5\left(15x^{3}-14x^{2}\right)-8x^{2}.

$$\frac{75x^{3}-70x^{2}-8x^{2}}{5}+2$$

Whakakotahitia ngā kupu rite i 75x^{3}-70x^{2}-8x^{2}.

$$\frac{75x^{3}-78x^{2}}{5}+2$$

Hei tāpiri, hei tango kīanga rānei, me whakaroha ērā kia rite ā rātou tauraro. Whakareatia 2 ki te \frac{5}{5}.

$$\frac{75x^{3}-78x^{2}}{5}+\frac{2\times 5}{5}$$

Tā te mea he rite te tauraro o \frac{75x^{3}-78x^{2}}{5} me \frac{2\times 5}{5}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{75x^{3}-78x^{2}+2\times 5}{5}$$

Mahia ngā whakarea i roto o 75x^{3}-78x^{2}+2\times 5.

$$\frac{75x^{3}-78x^{2}+10}{5}$$

Tauwehe

$$\frac{75x^{3}-78x^{2}+10}{5}$$

Ngā Upane Otinga

Tauwehea te \frac{1}{5}. Kāore te pūrau 75x^{3}-78x^{2}+10 i whakatauwehea i te mea kāhore ōna pūtake whakahau.

$$\frac{75x^{3}-70x^{2}-8xx+10}{5}$$