Algebra-1

Question Analysis
This question tests the student's ability to apply the quadratic formula to solve a quadratic equation. The equation given is a perfect square trinomial, which simplifies the calculation.

Key Concept Explanation
The quadratic formula, , is used to find the roots of a quadratic equation of the form ( ) . The discriminant, , determines the nature of the roots.

Step-by-step Solution
1. Identify coefficients: ,