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Simplifying X4 + -21x2 + -36 = 0 Reorder the terms: -36 + X4 + -21x2 = 0 Solving -36 + X4 + -21x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '36' to each side of the equation. -36 + X4 + 36 + -21x2 = 0 + 36 Reorder the terms: -36 + 36 + X4 + -21x2 = 0 + 36 Combine like terms: -36 + 36 = 0 0 + X4 + -21x2 = 0 + 36 X4 + -21x2 = 0 + 36 Combine like terms: 0 + 36 = 36 X4 + -21x2 = 36 Add '21x2' to each side of the equation. X4 + -21x2 + 21x2 = 36 + 21x2 Combine like terms: -21x2 + 21x2 = 0 X4 + 0 = 36 + 21x2 X4 = 36 + 21x2 Simplifying X4 = 36 + 21x2 Reorder the terms: -36 + X4 + -21x2 = 36 + 21x2 + -36 + -21x2 Reorder the terms: -36 + X4 + -21x2 = 36 + -36 + 21x2 + -21x2 Combine like terms: 36 + -36 = 0 -36 + X4 + -21x2 = 0 + 21x2 + -21x2 -36 + X4 + -21x2 = 21x2 + -21x2 Combine like terms: 21x2 + -21x2 = 0 -36 + X4 + -21x2 = 0 The solution to this equation could not be determined.
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