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Simplifying X4 + -4x3 + -2x2 + 12x + -9 = 0 Reorder the terms: -9 + X4 + 12x + -2x2 + -4x3 = 0 Solving -9 + X4 + 12x + -2x2 + -4x3 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '9' to each side of the equation. -9 + X4 + 12x + -2x2 + 9 + -4x3 = 0 + 9 Reorder the terms: -9 + 9 + X4 + 12x + -2x2 + -4x3 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + X4 + 12x + -2x2 + -4x3 = 0 + 9 X4 + 12x + -2x2 + -4x3 = 0 + 9 Combine like terms: 0 + 9 = 9 X4 + 12x + -2x2 + -4x3 = 9 Add '-12x' to each side of the equation. X4 + 12x + -2x2 + -12x + -4x3 = 9 + -12x Reorder the terms: X4 + 12x + -12x + -2x2 + -4x3 = 9 + -12x Combine like terms: 12x + -12x = 0 X4 + 0 + -2x2 + -4x3 = 9 + -12x X4 + -2x2 + -4x3 = 9 + -12x Add '2x2' to each side of the equation. X4 + -2x2 + 2x2 + -4x3 = 9 + -12x + 2x2 Combine like terms: -2x2 + 2x2 = 0 X4 + 0 + -4x3 = 9 + -12x + 2x2 X4 + -4x3 = 9 + -12x + 2x2 Add '4x3' to each side of the equation. X4 + -4x3 + 4x3 = 9 + -12x + 2x2 + 4x3 Combine like terms: -4x3 + 4x3 = 0 X4 + 0 = 9 + -12x + 2x2 + 4x3 X4 = 9 + -12x + 2x2 + 4x3 Simplifying X4 = 9 + -12x + 2x2 + 4x3 Reorder the terms: -9 + X4 + 12x + -2x2 + -4x3 = 9 + -12x + 2x2 + 4x3 + -9 + 12x + -2x2 + -4x3 Reorder the terms: -9 + X4 + 12x + -2x2 + -4x3 = 9 + -9 + -12x + 12x + 2x2 + -2x2 + 4x3 + -4x3 Combine like terms: 9 + -9 = 0 -9 + X4 + 12x + -2x2 + -4x3 = 0 + -12x + 12x + 2x2 + -2x2 + 4x3 + -4x3 -9 + X4 + 12x + -2x2 + -4x3 = -12x + 12x + 2x2 + -2x2 + 4x3 + -4x3 Combine like terms: -12x + 12x = 0 -9 + X4 + 12x + -2x2 + -4x3 = 0 + 2x2 + -2x2 + 4x3 + -4x3 -9 + X4 + 12x + -2x2 + -4x3 = 2x2 + -2x2 + 4x3 + -4x3 Combine like terms: 2x2 + -2x2 = 0 -9 + X4 + 12x + -2x2 + -4x3 = 0 + 4x3 + -4x3 -9 + X4 + 12x + -2x2 + -4x3 = 4x3 + -4x3 Combine like terms: 4x3 + -4x3 = 0 -9 + X4 + 12x + -2x2 + -4x3 = 0 The solution to this equation could not be determined.
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