Question

2) ao reduzir os termos semelhantes - 3p+(-7p)+18p, vamos obter:
a) ( ) 28p b ( ) -28p c) 8p d) -8p

Answer 1

Resposta:

$- 3p + ( - 7p) + 18p = \\ - 3p - 7p + 18p = \\ - 10p + 18p = \\ 8p$