Álgebra Exemplos

$\frac{- 15 x^{7} - 12 x^{6} + 24 x^{4} - 6 x^{2}}{- 3 x^{4}}$

Etapa 1

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

$3 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$15 x^{7}$

$12 x^{6}$

$0 x^{5}$

$24 x^{4}$

$0 x^{3}$

$6 x^{2}$

$0 x$

$0$

Etapa 2

Divida o termo de ordem mais alta no dividendo $- 15 x^{7}$ pelo termo de ordem mais alta no divisor $- 3 x^{4}$ .

$5 x^{3}$

$3 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$15 x^{7}$

$12 x^{6}$

$0 x^{5}$

$24 x^{4}$

$0 x^{3}$

$6 x^{2}$

$0 x$

$0$

Etapa 3

Multiplique o novo termo do quociente pelo divisor.

$5 x^{3}$

$3 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$15 x^{7}$

$12 x^{6}$

$0 x^{5}$

$24 x^{4}$

$0 x^{3}$

$6 x^{2}$

$0 x$

$0$

$15 x^{7}$

$0$

Etapa 4

A expressão precisa ser subtraída do dividendo. Portanto, altere todos os sinais em $- 15 x^{7} + 0 + 0 + 0 + 0$ .

$5 x^{3}$

$3 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$15 x^{7}$

$12 x^{6}$

$0 x^{5}$

$24 x^{4}$

$0 x^{3}$

$6 x^{2}$

$0 x$

$0$

$15 x^{7}$

$0$

Etapa 5

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

$5 x^{3}$

$3 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$15 x^{7}$

$12 x^{6}$

$0 x^{5}$

$24 x^{4}$

$0 x^{3}$

$6 x^{2}$

$0 x$

$0$

$15 x^{7}$

$0$

$12 x^{6}$

$0$

$24 x^{4}$

$0$

Etapa 6

Tire os próximos termos do dividendo original e os coloque no dividendo atual.

$5 x^{3}$

$3 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$15 x^{7}$

$12 x^{6}$

$0 x^{5}$

$24 x^{4}$

$0 x^{3}$

$6 x^{2}$

$0 x$

$0$

$15 x^{7}$

$0$

$12 x^{6}$

$0$

$24 x^{4}$

$0$

$6 x^{2}$

$0 x$

$0$

Etapa 7

Divida o termo de ordem mais alta no dividendo $- 12 x^{6}$ pelo termo de ordem mais alta no divisor $- 3 x^{4}$ .

$5 x^{3}$

$4 x^{2}$

$3 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$15 x^{7}$

$12 x^{6}$

$0 x^{5}$

$24 x^{4}$

$0 x^{3}$

$6 x^{2}$

$0 x$

$0$

$15 x^{7}$

$0$

$12 x^{6}$

$0$

$24 x^{4}$

$0$

$6 x^{2}$

$0 x$

$0$

Etapa 8

Multiplique o novo termo do quociente pelo divisor.

$5 x^{3}$

$4 x^{2}$

$3 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$15 x^{7}$

$12 x^{6}$

$0 x^{5}$

$24 x^{4}$

$0 x^{3}$

$6 x^{2}$

$0 x$

$0$

$15 x^{7}$

$0$

$12 x^{6}$

$0$

$24 x^{4}$

$0$

$6 x^{2}$

$0 x$

$0$

$12 x^{6}$

$0$

Etapa 9

A expressão precisa ser subtraída do dividendo. Portanto, altere todos os sinais em $- 12 x^{6} + 0 + 0 + 0 + 0$ .

											$5 x^{3}$	+	$4 x^{2}$
-	$3 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$	-	$15 x^{7}$	-	$12 x^{6}$	+	$0 x^{5}$	+	$24 x^{4}$	+	$0 x^{3}$	-	$6 x^{2}$	+	$0 x$	+	$0$
										+	$15 x^{7}$	-	$0$	-	$0$	-	$0$	-	$0$
												-	$12 x^{6}$	+	$0$	+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
												+	$12 x^{6}$	-	$0$	-	$0$	-	$0$	-	$0$

Etapa 10

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

											$5 x^{3}$	+	$4 x^{2}$
-	$3 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$	-	$15 x^{7}$	-	$12 x^{6}$	+	$0 x^{5}$	+	$24 x^{4}$	+	$0 x^{3}$	-	$6 x^{2}$	+	$0 x$	+	$0$
										+	$15 x^{7}$	-	$0$	-	$0$	-	$0$	-	$0$
												-	$12 x^{6}$	+	$0$	+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
												+	$12 x^{6}$	-	$0$	-	$0$	-	$0$	-	$0$
																+	$24 x^{4}$	+	$0$	-	$6 x^{2}$

Etapa 11

Tire os próximos termos do dividendo original e os coloque no dividendo atual.

											$5 x^{3}$	+	$4 x^{2}$
-	$3 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$	-	$15 x^{7}$	-	$12 x^{6}$	+	$0 x^{5}$	+	$24 x^{4}$	+	$0 x^{3}$	-	$6 x^{2}$	+	$0 x$	+	$0$
										+	$15 x^{7}$	-	$0$	-	$0$	-	$0$	-	$0$
												-	$12 x^{6}$	+	$0$	+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
												+	$12 x^{6}$	-	$0$	-	$0$	-	$0$	-	$0$
																+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$

Etapa 12

Divida o termo de ordem mais alta no dividendo $24 x^{4}$ pelo termo de ordem mais alta no divisor $- 3 x^{4}$ .

											$5 x^{3}$	+	$4 x^{2}$	+	$0 x$	-	$8$
-	$3 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$	-	$15 x^{7}$	-	$12 x^{6}$	+	$0 x^{5}$	+	$24 x^{4}$	+	$0 x^{3}$	-	$6 x^{2}$	+	$0 x$	+	$0$
										+	$15 x^{7}$	-	$0$	-	$0$	-	$0$	-	$0$
												-	$12 x^{6}$	+	$0$	+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
												+	$12 x^{6}$	-	$0$	-	$0$	-	$0$	-	$0$
																+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$

Etapa 13

Multiplique o novo termo do quociente pelo divisor.

											$5 x^{3}$	+	$4 x^{2}$	+	$0 x$	-	$8$
-	$3 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$	-	$15 x^{7}$	-	$12 x^{6}$	+	$0 x^{5}$	+	$24 x^{4}$	+	$0 x^{3}$	-	$6 x^{2}$	+	$0 x$	+	$0$
										+	$15 x^{7}$	-	$0$	-	$0$	-	$0$	-	$0$
												-	$12 x^{6}$	+	$0$	+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
												+	$12 x^{6}$	-	$0$	-	$0$	-	$0$	-	$0$
																+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
																+	$24 x^{4}$	+	$0$	+	$0$	+	$0$	+	$0$

Etapa 14

A expressão precisa ser subtraída do dividendo. Portanto, altere todos os sinais em $24 x^{4} + 0 + 0 + 0 + 0$ .

											$5 x^{3}$	+	$4 x^{2}$	+	$0 x$	-	$8$
-	$3 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$	-	$15 x^{7}$	-	$12 x^{6}$	+	$0 x^{5}$	+	$24 x^{4}$	+	$0 x^{3}$	-	$6 x^{2}$	+	$0 x$	+	$0$
										+	$15 x^{7}$	-	$0$	-	$0$	-	$0$	-	$0$
												-	$12 x^{6}$	+	$0$	+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
												+	$12 x^{6}$	-	$0$	-	$0$	-	$0$	-	$0$
																+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
																-	$24 x^{4}$	-	$0$	-	$0$	-	$0$	-	$0$

Etapa 15

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

											$5 x^{3}$	+	$4 x^{2}$	+	$0 x$	-	$8$
-	$3 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$	-	$15 x^{7}$	-	$12 x^{6}$	+	$0 x^{5}$	+	$24 x^{4}$	+	$0 x^{3}$	-	$6 x^{2}$	+	$0 x$	+	$0$
										+	$15 x^{7}$	-	$0$	-	$0$	-	$0$	-	$0$
												-	$12 x^{6}$	+	$0$	+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
												+	$12 x^{6}$	-	$0$	-	$0$	-	$0$	-	$0$
																+	$24 x^{4}$	+	$0$	-	$6 x^{2}$	+	$0 x$	+	$0$
																-	$24 x^{4}$	-	$0$	-	$0$	-	$0$	-	$0$
																				-	$6 x^{2}$	+	$0$	+	$0$

Etapa 16

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

$5 x^{3} + 4 x^{2} - 8 + \frac{- 6 x^{2}}{- 3 x^{4}}$