Pré-álgebra Exemplos

$\frac{3 x^{7} - 5 x^{6} + 9 x^{4} + 2 x^{3} - 23}{2 x^{3} + 50}$

Etapa 1

Estabeleça os polinômios a serem divididos. Se não houver um termo para cada expoente, insira um com valor de $0$ .

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

Etapa 2

Divida o termo de ordem mais alta no dividendo $3 x^{7}$ pelo termo de ordem mais alta no divisor $2 x^{3}$ .

$\frac{3 x^{4}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

Etapa 3

Multiplique o novo termo do quociente pelo divisor.

$\frac{3 x^{4}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

Etapa 4

A expressão precisa ser subtraída do dividendo. Portanto, altere todos os sinais em $3 x^{7} + 0 + 0 + 75 x^{4}$ .

$\frac{3 x^{4}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

Etapa 5

Depois de alterar os sinais, some o último dividendo do polinômio multiplicado para encontrar o novo dividendo.

$\frac{3 x^{4}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

Etapa 6

Tire o próximo termo do dividendo original e o coloque no dividendo atual.

$\frac{3 x^{4}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

Etapa 7

Divida o termo de ordem mais alta no dividendo $- 5 x^{6}$ pelo termo de ordem mais alta no divisor $2 x^{3}$ .

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

Etapa 8

Multiplique o novo termo do quociente pelo divisor.

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

Etapa 9

A expressão precisa ser subtraída do dividendo. Portanto, altere todos os sinais em $- 5 x^{6} + 0 + 0 - 125 x^{3}$ .

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

Etapa 10

Depois de alterar os sinais, some o último dividendo do polinômio multiplicado para encontrar o novo dividendo.

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

Etapa 11

Tire o próximo termo do dividendo original e o coloque no dividendo atual.

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

Etapa 12

Divida o termo de ordem mais alta no dividendo $- 66 x^{4}$ pelo termo de ordem mais alta no divisor $2 x^{3}$ .

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

Etapa 13

Multiplique o novo termo do quociente pelo divisor.

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

$66 x^{4}$

$0$

$1650 x$

Etapa 14

A expressão precisa ser subtraída do dividendo. Portanto, altere todos os sinais em $- 66 x^{4} + 0 + 0 - 1650 x$ .

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

$66 x^{4}$

$0$

$1650 x$

Etapa 15

Depois de alterar os sinais, some o último dividendo do polinômio multiplicado para encontrar o novo dividendo.

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

$66 x^{4}$

$0$

$1650 x$

$127 x^{3}$

$0$

$1650 x$

Etapa 16

Tire o próximo termo do dividendo original e o coloque no dividendo atual.

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

$66 x^{4}$

$0$

$1650 x$

$127 x^{3}$

$0$

$1650 x$

$23$

Etapa 17

Divida o termo de ordem mais alta no dividendo $127 x^{3}$ pelo termo de ordem mais alta no divisor $2 x^{3}$ .

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$\frac{127}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

$66 x^{4}$

$0$

$1650 x$

$127 x^{3}$

$0$

$1650 x$

$23$

Etapa 18

Multiplique o novo termo do quociente pelo divisor.

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$\frac{127}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

$66 x^{4}$

$0$

$1650 x$

$127 x^{3}$

$0$

$1650 x$

$23$

$127 x^{3}$

$0$

$3175$

Etapa 19

A expressão precisa ser subtraída do dividendo. Portanto, altere todos os sinais em $127 x^{3} + 0 + 0 + 3175$ .

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$\frac{127}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

$66 x^{4}$

$0$

$1650 x$

$127 x^{3}$

$0$

$1650 x$

$23$

$127 x^{3}$

$0$

$3175$

Etapa 20

Depois de alterar os sinais, some o último dividendo do polinômio multiplicado para encontrar o novo dividendo.

$\frac{3 x^{4}}{2}$

$\frac{5 x^{3}}{2}$

$0 x^{2}$

$33 x$

$\frac{127}{2}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$50$

$3 x^{7}$

$5 x^{6}$

$0 x^{5}$

$9 x^{4}$

$2 x^{3}$

$0 x^{2}$

$0 x$

$23$

$3 x^{7}$

$0$

$75 x^{4}$

$5 x^{6}$

$0$

$66 x^{4}$

$2 x^{3}$

$0 x^{2}$

$5 x^{6}$

$0$

$125 x^{3}$

$66 x^{4}$

$127 x^{3}$

$0 x^{2}$

$0 x$

$66 x^{4}$

$0$

$1650 x$

$127 x^{3}$

$0$

$1650 x$

$23$

$127 x^{3}$

$0$

$3175$

$1650 x$

$3198$

Etapa 21

A resposta final é o quociente mais o resto sobre o divisor.

$\frac{3 x^{4}}{2} - \frac{5 x^{3}}{2} - 33 x + \frac{127}{2} + \frac{1650 x - 3198}{2 x^{3} + 50}$