How To Solve Simple Quadratic Equations  Summary and Q&A
TL;DR
Learn how to solve simple quadratic equations by finding the values of x using square roots and basic algebraic operations.
Key Insights
 Quadratic equations can be solved by using square roots and performing basic algebraic operations.
 ❎ The solutions to quadratic equations may include both positive and negative values.
 ❎ Imaginary solutions can occur when the square root of a negative number is taken.
 Taking the square root of a fraction involves finding the square root of each number separately.
Transcript
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Questions & Answers
Q: How do you solve x squared  4 = 0?
To solve this equation, add 4 to both sides, take the square root, and get x = 2 or x = 2.
Q: Can you solve the equation 2x squared + 9 = 0?
Yes, to solve this equation, subtract 9 from both sides, divide by 2, take the square root, and find x = √9/2 or x = √9/2.
Q: What is the solution to 3x squared = 48?
To solve this equation, divide both sides by 3, take the square root of 16, and obtain x = √16/3 or x = √16/3.
Q: How can you solve the equation x squared + 16 = 25?
Subtract 16 from both sides, take the square root of 9, and get x = √9 or x = √9, which simplifies to x = 3 or x = 3.
Summary & Key Takeaways

To solve x squared = 36, take the square root of both sides and get x = 6 or x = 6.

For x squared  81 = 0, add 81 to both sides, take the square root, and find x = 9 or x = 9.

When solving 4x squared  49 = 0, add 49 to both sides, divide by 4, take the square root, and obtain x = 7/2 or x = 7/2.