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Simplifying X2 + 4x + 13 = 20 Reorder the terms: 13 + X2 + 4x = 20 Solving 13 + X2 + 4x = 20 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + X2 + -13 + 4x = 20 + -13 Reorder the terms: 13 + -13 + X2 + 4x = 20 + -13 Combine like terms: 13 + -13 = 0 0 + X2 + 4x = 20 + -13 X2 + 4x = 20 + -13 Combine like terms: 20 + -13 = 7 X2 + 4x = 7 Add '-4x' to each side of the equation. X2 + 4x + -4x = 7 + -4x Combine like terms: 4x + -4x = 0 X2 + 0 = 7 + -4x X2 = 7 + -4x Simplifying X2 = 7 + -4x Reorder the terms: -7 + X2 + 4x = 7 + -4x + -7 + 4x Reorder the terms: -7 + X2 + 4x = 7 + -7 + -4x + 4x Combine like terms: 7 + -7 = 0 -7 + X2 + 4x = 0 + -4x + 4x -7 + X2 + 4x = -4x + 4x Combine like terms: -4x + 4x = 0 -7 + X2 + 4x = 0 The solution to this equation could not be determined.
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