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If x2=4x^2=4 what is the value of xx?

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Q. If x2=4x^2=4 what is the value of xx?
  1. Identify Equation: Identify the equation and what it asks. x2=4x^2 = 4 asks for values of xx that when squared give 44.
  2. Solve for xx: Solve for xx by taking the square root of both sides. x=±2x = \pm2, meaning xx can be 22 or 2-2.
  3. Check Values: Check the values: (2)2=4(2)^2 = 4 and (2)2=4(-2)^2 = 4. Both calculations are correct.
  4. Determine Sign: Determine the sign of xx values. 22 is positive, 2-2 is negative.
  5. Final Answer: Since the question asks if x2=4x^2 = 4 is positive or negative, and both 22 and 2-2 when squared give a positive 44, the answer is positive.

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