Pré-álgebra Exemplos

Adiciona -4.2x+3 and 2.5x-6
-4.2x+34.2x+3 e 2.5x-62.5x6
Etapa 1
Some as expressões.
-4.2x+3+2.5x-64.2x+3+2.5x6
Etapa 2
Some -4.2x4.2x e 2.5x2.5x.
-1.7x+3-61.7x+36
Etapa 3
Subtraia 66 de 33.
-1.7x-31.7x3
 [x2  12  π  xdx ]  x2  12  π  xdx