Question

reduza os termos semelhantes
d) 2c+4d-2c+3d=
e) x^3- x^2+ 7x^2 + 10x^3 +4=​

Answer 1

Resposta:

d)

$2c + 4d - 2c + 3d \\ = 7d$

e)

${x}^{3} - {x}^{2} + 7 {x}^{2} + 10 {x}^{3} + 4 \\ = 11 {x}^{3} + 6 {x}^{2} + 4$