Pré-álgebra Exemplos

(8 x - x^{3} + 4 - 9 x^{2}) + (7 x^{3} + 9 x^{2} - 10 - 8 x)

$(8 x - x^{3} + 4 - 9 x^{2}) + (7 x^{3} + 9 x^{2} - 10 - 8 x)$

Etapa 1

Remova os parênteses.

8 x - x^{3} + 4 - 9 x^{2} + 7 x^{3} + 9 x^{2} - 10 - 8 x

$8 x - x^{3} + 4 - 9 x^{2} + 7 x^{3} + 9 x^{2} - 10 - 8 x$

Etapa 2

Combine os termos opostos em

8 x - x^{3} + 4 - 9 x^{2} + 7 x^{3} + 9 x^{2} - 10 - 8 x

$8 x - x^{3} + 4 - 9 x^{2} + 7 x^{3} + 9 x^{2} - 10 - 8 x$ .

Toque para ver mais passagens...

Etapa 2.1

Some

- 9 x^{2}

$- 9 x^{2}$ e

9 x^{2}

$9 x^{2}$ .

8 x - x^{3} + 4 + 7 x^{3} + 0 - 10 - 8 x

$8 x - x^{3} + 4 + 7 x^{3} + 0 - 10 - 8 x$

Etapa 2.2

Some

8 x - x^{3} + 4 + 7 x^{3}

$8 x - x^{3} + 4 + 7 x^{3}$ e

0

$0$ .

8 x - x^{3} + 4 + 7 x^{3} - 10 - 8 x

$8 x - x^{3} + 4 + 7 x^{3} - 10 - 8 x$

Etapa 2.3

Subtraia

8 x

$8 x$ de

8 x

$8 x$ .

- x^{3} + 4 + 7 x^{3} - 10 + 0

$- x^{3} + 4 + 7 x^{3} - 10 + 0$

Etapa 2.4

Some

- x^{3} + 4 + 7 x^{3} - 10

$- x^{3} + 4 + 7 x^{3} - 10$ e

0

$0$ .

- x^{3} + 4 + 7 x^{3} - 10

$- x^{3} + 4 + 7 x^{3} - 10$

- x^{3} + 4 + 7 x^{3} - 10

$- x^{3} + 4 + 7 x^{3} - 10$

Etapa 3

Some

- x^{3}

$- x^{3}$ e

7 x^{3}

$7 x^{3}$ .

6 x^{3} + 4 - 10

$6 x^{3} + 4 - 10$

Etapa 4

Subtraia

10

$10$ de

4

$4$ .

6 x^{3} - 6

$6 x^{3} - 6$