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Simplifying X2 + 4x + 7 = x2 + 9x + 3 Reorder the terms: 7 + X2 + 4x = x2 + 9x + 3 Reorder the terms: 7 + X2 + 4x = 3 + 9x + x2 Solving 7 + X2 + 4x = 3 + 9x + x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + X2 + -7 + 4x = 3 + 9x + -7 + x2 Reorder the terms: 7 + -7 + X2 + 4x = 3 + 9x + -7 + x2 Combine like terms: 7 + -7 = 0 0 + X2 + 4x = 3 + 9x + -7 + x2 X2 + 4x = 3 + 9x + -7 + x2 Reorder the terms: X2 + 4x = 3 + -7 + 9x + x2 Combine like terms: 3 + -7 = -4 X2 + 4x = -4 + 9x + x2 Add '-4x' to each side of the equation. X2 + 4x + -4x = -4 + 9x + -4x + x2 Combine like terms: 4x + -4x = 0 X2 + 0 = -4 + 9x + -4x + x2 X2 = -4 + 9x + -4x + x2 Combine like terms: 9x + -4x = 5x X2 = -4 + 5x + x2 Simplifying X2 = -4 + 5x + x2 Reorder the terms: 4 + X2 + -5x + -1x2 = -4 + 5x + x2 + 4 + -5x + -1x2 Reorder the terms: 4 + X2 + -5x + -1x2 = -4 + 4 + 5x + -5x + x2 + -1x2 Combine like terms: -4 + 4 = 0 4 + X2 + -5x + -1x2 = 0 + 5x + -5x + x2 + -1x2 4 + X2 + -5x + -1x2 = 5x + -5x + x2 + -1x2 Combine like terms: 5x + -5x = 0 4 + X2 + -5x + -1x2 = 0 + x2 + -1x2 4 + X2 + -5x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 4 + X2 + -5x + -1x2 = 0 The solution to this equation could not be determined.
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