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Simplifying X2 + 4x + 7 = 12 Reorder the terms: 7 + X2 + 4x = 12 Solving 7 + X2 + 4x = 12 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 = 12 + -7 Reorder the terms: 7 + -7 + X2 + 4x = 12 + -7 Combine like terms: 7 + -7 = 0 0 + X2 + 4x = 12 + -7 X2 + 4x = 12 + -7 Combine like terms: 12 + -7 = 5 X2 + 4x = 5 Add '-4x' to each side of the equation. X2 + 4x + -4x = 5 + -4x Combine like terms: 4x + -4x = 0 X2 + 0 = 5 + -4x X2 = 5 + -4x Simplifying X2 = 5 + -4x Reorder the terms: -5 + X2 + 4x = 5 + -4x + -5 + 4x Reorder the terms: -5 + X2 + 4x = 5 + -5 + -4x + 4x Combine like terms: 5 + -5 = 0 -5 + X2 + 4x = 0 + -4x + 4x -5 + X2 + 4x = -4x + 4x Combine like terms: -4x + 4x = 0 -5 + X2 + 4x = 0 The solution to this equation could not be determined.
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