A + 5x + 2 means . . . a can be any number 5 is multipled by x x can be any number 2 stays the same So it would be . . . a + 5x + 2 An example of this is a would be 6 and x would be 2 so it would be written as . . . 6 + 5(2) + 2 = 18. Hope this helps And have a NICE DAY .... :) :D Also pick me as the brainiest answer/crown :)