Solve for x: x² = 49
Step-by-step solution with detailed explanations
Final Answer
x = ±7
Step-by-Step Solution
1
Take square root
x = ±√49
2
Simplify
x = 7 or x = -7
Expert Insights
Why ±?: Both 7² and (-7)² equal 49
Two solutions: Quadratic equations can have 2 roots
Pro Tip: Always consider both positive and negative roots