Write the symbolic form of the written expression given below.
1st in written expression,
Then with the appropriate order of operations,
Evaluate and simplify.

1. Three less than the product of thirteen squared and four.
2. The product of eight minus six and x.
3. The square root of thirty-six plus the sum of with and four squared.
4. Nineteen less than the product of seven and four minus the quotient of sixteen and four.