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Simplifying X3 + -7x2 + ax + b = 0 Reorder the terms: X3 + ax + b + -7x2 = 0 Solving X3 + ax + b + -7x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1ax' to each side of the equation. X3 + ax + b + -1ax + -7x2 = 0 + -1ax Reorder the terms: X3 + ax + -1ax + b + -7x2 = 0 + -1ax Combine like terms: ax + -1ax = 0 X3 + 0 + b + -7x2 = 0 + -1ax X3 + b + -7x2 = 0 + -1ax Remove the zero: X3 + b + -7x2 = -1ax Add '-1b' to each side of the equation. X3 + b + -1b + -7x2 = -1ax + -1b Combine like terms: b + -1b = 0 X3 + 0 + -7x2 = -1ax + -1b X3 + -7x2 = -1ax + -1b Add '7x2' to each side of the equation. X3 + -7x2 + 7x2 = -1ax + -1b + 7x2 Combine like terms: -7x2 + 7x2 = 0 X3 + 0 = -1ax + -1b + 7x2 X3 = -1ax + -1b + 7x2 Simplifying X3 = -1ax + -1b + 7x2 Reorder the terms: X3 + ax + b + -7x2 = -1ax + ax + -1b + b + 7x2 + -7x2 Combine like terms: -1ax + ax = 0 X3 + ax + b + -7x2 = 0 + -1b + b + 7x2 + -7x2 X3 + ax + b + -7x2 = -1b + b + 7x2 + -7x2 Combine like terms: -1b + b = 0 X3 + ax + b + -7x2 = 0 + 7x2 + -7x2 X3 + ax + b + -7x2 = 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 X3 + ax + b + -7x2 = 0 The solution to this equation could not be determined.
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