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Simplifying X2 + 2x + 7 = 0 Reorder the terms: 7 + X2 + 2x = 0 Solving 7 + X2 + 2x = 0 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 + 2x = 0 + -7 Reorder the terms: 7 + -7 + X2 + 2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + X2 + 2x = 0 + -7 X2 + 2x = 0 + -7 Combine like terms: 0 + -7 = -7 X2 + 2x = -7 Add '-2x' to each side of the equation. X2 + 2x + -2x = -7 + -2x Combine like terms: 2x + -2x = 0 X2 + 0 = -7 + -2x X2 = -7 + -2x Simplifying X2 = -7 + -2x Reorder the terms: 7 + X2 + 2x = -7 + -2x + 7 + 2x Reorder the terms: 7 + X2 + 2x = -7 + 7 + -2x + 2x Combine like terms: -7 + 7 = 0 7 + X2 + 2x = 0 + -2x + 2x 7 + X2 + 2x = -2x + 2x Combine like terms: -2x + 2x = 0 7 + X2 + 2x = 0 The solution to this equation could not be determined.
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