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Simplifying X3 + -3x2 + 3x + 7 = 0 Reorder the terms: 7 + X3 + 3x + -3x2 = 0 Solving 7 + X3 + 3x + -3x2 = 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 + X3 + 3x + -7 + -3x2 = 0 + -7 Reorder the terms: 7 + -7 + X3 + 3x + -3x2 = 0 + -7 Combine like terms: 7 + -7 = 0 0 + X3 + 3x + -3x2 = 0 + -7 X3 + 3x + -3x2 = 0 + -7 Combine like terms: 0 + -7 = -7 X3 + 3x + -3x2 = -7 Add '-3x' to each side of the equation. X3 + 3x + -3x + -3x2 = -7 + -3x Combine like terms: 3x + -3x = 0 X3 + 0 + -3x2 = -7 + -3x X3 + -3x2 = -7 + -3x Add '3x2' to each side of the equation. X3 + -3x2 + 3x2 = -7 + -3x + 3x2 Combine like terms: -3x2 + 3x2 = 0 X3 + 0 = -7 + -3x + 3x2 X3 = -7 + -3x + 3x2 Simplifying X3 = -7 + -3x + 3x2 Reorder the terms: 7 + X3 + 3x + -3x2 = -7 + -3x + 3x2 + 7 + 3x + -3x2 Reorder the terms: 7 + X3 + 3x + -3x2 = -7 + 7 + -3x + 3x + 3x2 + -3x2 Combine like terms: -7 + 7 = 0 7 + X3 + 3x + -3x2 = 0 + -3x + 3x + 3x2 + -3x2 7 + X3 + 3x + -3x2 = -3x + 3x + 3x2 + -3x2 Combine like terms: -3x + 3x = 0 7 + X3 + 3x + -3x2 = 0 + 3x2 + -3x2 7 + X3 + 3x + -3x2 = 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 7 + X3 + 3x + -3x2 = 0 The solution to this equation could not be determined.
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