Algebra-1

Question Analysis
This question tests the student's ability to solve a quadratic equation by factoring, where the leading coefficient is not 1. It requires the use of the AC method to factor the quadratic expression.

Key Concept Explanation
When the leading coefficient is not 1, the AC method is used to find two numbers that multiply to and add to . The quadratic expression is then factored by grouping.

Step-by-step Solution
1. Find two numbers that multiply to and add to : and .
2. Rewrite and factor by grouping: