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Simplifying X3 + -4x2 + 4x + -9 = 0 Reorder the terms: -9 + X3 + 4x + -4x2 = 0 Solving -9 + X3 + 4x + -4x2 = 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 + X3 + 4x + 9 + -4x2 = 0 + 9 Reorder the terms: -9 + 9 + X3 + 4x + -4x2 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + X3 + 4x + -4x2 = 0 + 9 X3 + 4x + -4x2 = 0 + 9 Combine like terms: 0 + 9 = 9 X3 + 4x + -4x2 = 9 Add '-4x' to each side of the equation. X3 + 4x + -4x + -4x2 = 9 + -4x Combine like terms: 4x + -4x = 0 X3 + 0 + -4x2 = 9 + -4x X3 + -4x2 = 9 + -4x Add '4x2' to each side of the equation. X3 + -4x2 + 4x2 = 9 + -4x + 4x2 Combine like terms: -4x2 + 4x2 = 0 X3 + 0 = 9 + -4x + 4x2 X3 = 9 + -4x + 4x2 Simplifying X3 = 9 + -4x + 4x2 Reorder the terms: -9 + X3 + 4x + -4x2 = 9 + -4x + 4x2 + -9 + 4x + -4x2 Reorder the terms: -9 + X3 + 4x + -4x2 = 9 + -9 + -4x + 4x + 4x2 + -4x2 Combine like terms: 9 + -9 = 0 -9 + X3 + 4x + -4x2 = 0 + -4x + 4x + 4x2 + -4x2 -9 + X3 + 4x + -4x2 = -4x + 4x + 4x2 + -4x2 Combine like terms: -4x + 4x = 0 -9 + X3 + 4x + -4x2 = 0 + 4x2 + -4x2 -9 + X3 + 4x + -4x2 = 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 -9 + X3 + 4x + -4x2 = 0 The solution to this equation could not be determined.
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