Answer:
The problem is missing information.
Explanation:
Let X be the "number."
The sum of the square of a number and 15 times the number.
x^2 + 15x
What are the numbers? Write the result.
Information must be missing. We can write the sentence in the form of an expression, but there is no indication of what the expression is equal to. With the information given, the numbers can be anything, since there is no constraint, just an expression.