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Simplifying X4 + -9x2 + 8x + 12 = 0 Reorder the terms: 12 + X4 + 8x + -9x2 = 0 Solving 12 + X4 + 8x + -9x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + X4 + 8x + -12 + -9x2 = 0 + -12 Reorder the terms: 12 + -12 + X4 + 8x + -9x2 = 0 + -12 Combine like terms: 12 + -12 = 0 0 + X4 + 8x + -9x2 = 0 + -12 X4 + 8x + -9x2 = 0 + -12 Combine like terms: 0 + -12 = -12 X4 + 8x + -9x2 = -12 Add '-8x' to each side of the equation. X4 + 8x + -8x + -9x2 = -12 + -8x Combine like terms: 8x + -8x = 0 X4 + 0 + -9x2 = -12 + -8x X4 + -9x2 = -12 + -8x Add '9x2' to each side of the equation. X4 + -9x2 + 9x2 = -12 + -8x + 9x2 Combine like terms: -9x2 + 9x2 = 0 X4 + 0 = -12 + -8x + 9x2 X4 = -12 + -8x + 9x2 Simplifying X4 = -12 + -8x + 9x2 Reorder the terms: 12 + X4 + 8x + -9x2 = -12 + -8x + 9x2 + 12 + 8x + -9x2 Reorder the terms: 12 + X4 + 8x + -9x2 = -12 + 12 + -8x + 8x + 9x2 + -9x2 Combine like terms: -12 + 12 = 0 12 + X4 + 8x + -9x2 = 0 + -8x + 8x + 9x2 + -9x2 12 + X4 + 8x + -9x2 = -8x + 8x + 9x2 + -9x2 Combine like terms: -8x + 8x = 0 12 + X4 + 8x + -9x2 = 0 + 9x2 + -9x2 12 + X4 + 8x + -9x2 = 9x2 + -9x2 Combine like terms: 9x2 + -9x2 = 0 12 + X4 + 8x + -9x2 = 0 The solution to this equation could not be determined.
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