Solve the equation $$7x^2 - 28 = 0$$ . The solutions are $$x...

Question Analysis
This problem assesses the ability to solve a quadratic equation by isolating and then applying the square root method.

Key Concept Explanation
To solve the equation , we first isolate by dividing both sides by 7, and then apply the square root property.

Step-by-step Solution
1. Isolate :
2. Divide both sides by 7: