Wei is writing out expressions from verbal descriptions. He writes "multiply two by the difference of n and three" as 2(n - 3) ) He writes "subtract one from the sum of n and six" as 1 - (n + 6) . He writes "add five to the product of four and n"as 5 + 4x n Complete the statements . Wei made a mistake when writing as an expression. The correct way he should have written the expression is