State if the given binomial is a factor of the given polynomial

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

Which expression is equivalent to -5(3x - 6/7)