Solve the equation 2x^2 - 8 = 0.

Practice Questions

Q1
Solve the equation 2x^2 - 8 = 0.
  1. x = 2
  2. x = -2
  3. x = 4
  4. x = -4

Questions & Step-by-Step Solutions

Solve the equation 2x^2 - 8 = 0.
  • Step 1: Start with the equation 2x^2 - 8 = 0.
  • Step 2: Add 8 to both sides of the equation to get 2x^2 = 8.
  • Step 3: Divide both sides by 2 to simplify the equation to x^2 = 4.
  • Step 4: Take the square root of both sides. Remember that the square root can be positive or negative, so you get x = ±2.
  • Step 5: Write down the solutions: x = 2 and x = -2.
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