Tag: Sendo%20s%20a%20soma%20e%20p%20o%20produto%20das%20ra%EF%BF%BD%EF%BF%BDzes%20da%20equa%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BDo%202x%EF%BF%BD%EF%BF%BD%20%EF%BF%BD%EF%BF%BD%EF%BF%BD%205x%20%EF%BF%BD%EF%BF%BD%EF%BF%BD%207%20=%200,%20pode-se%20afirmar%20que: