Álgebra Exemplos

$7 x^{3} + 2 x - 5 x^{2} + 6 + x + 9 + 3 x^{3} + 12 x^{2}$

Etapa 1

Some $7 x^{3}$ e $3 x^{3}$ .

$10 x^{3} + 2 x - 5 x^{2} + 6 + x + 9 + 12 x^{2}$

Etapa 2

Some $2 x$ e $x$ .

$10 x^{3} + 3 x - 5 x^{2} + 6 + 9 + 12 x^{2}$

Etapa 3

Some $- 5 x^{2}$ e $12 x^{2}$ .

$10 x^{3} + 3 x + 7 x^{2} + 6 + 9$

Etapa 4

Some $6$ e $9$ .

$10 x^{3} + 3 x + 7 x^{2} + 15$