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Solve for x: 2x^2 - 8 = 0.

Practice Questions

Q1
Solve for x: 2x^2 - 8 = 0.
  1. -2 and 2
  2. 2 and -2
  3. 4 and -4
  4. 0 and 4

Questions & Step-by-Step Solutions

Solve for x: 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. This gives you x = 2 and x = -2.
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