Pré-álgebra Exemplos

$3.2 x^{3} + 4.8 x + 3.7$ $2.1 x^{3} + 6.3 x - 2.9$

Etapa 1

Some as expressões.

$3.2 x^{3} + 4.8 x + 3.7 + 2.1 x^{3} + 6.3 x - 2.9$

Etapa 2

Some $3.2 x^{3}$ e $2.1 x^{3}$ .

$5.3 x^{3} + 4.8 x + 3.7 + 6.3 x - 2.9$

Etapa 3

Some $4.8 x$ e $6.3 x$ .

$5.3 x^{3} + 11.1 x + 3.7 - 2.9$

Etapa 4

Subtraia $2.9$ de $3.7$ .

$5.3 x^{3} + 11.1 x + 0.8$