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