Álgebra Exemplos

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

Etapa 1

Remova os parênteses.

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

Etapa 2

Some $3 x^{2}$ e $10 x^{2}$ .

$13 x^{2} + 2 x + 7 x^{3} + 6 x + 9$

Etapa 3

Some $2 x$ e $6 x$ .

$13 x^{2} + 7 x^{3} + 8 x + 9$

Etapa 4

Reordene $13 x^{2}$ e $7 x^{3}$ .

$7 x^{3} + 13 x^{2} + 8 x + 9$