Ответ:

Solution:

  • Simplify the right side of the equation: \( 3x - 2x^2 + 3 - 2x^2 = 3x - 4x^2 + 3 \)
  • Set up the equation: \( -4x^2 + 2x + 6 = -4x^2 + 3x + 3 \)
  • Add \( 4x^2 \) to both sides: \( 2x + 6 = 3x + 3 \)
  • Subtract \( 2x \) from both sides: \( 6 = x + 3 \)
  • Subtract 3 from both sides: \( 3 = x \)

Final Answer: x = 3