Algebra-1

Question Analysis
This question tests the ability to factor a quadratic trinomial where the leading coefficient is 1. It requires identifying two numbers that multiply to the constant term (56) and add to the coefficient of the linear term (18).

Key Concept Explanation
Factoring a quadratic trinomial in the form involves finding two numbers, and , such that and . The trinomial can then be factored as .

Step-by-step Solution
1. Identify the values of and : and