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Simplifying X4 + -5x2 + -28x + -84 = 0 Reorder the terms: -84 + X4 + -28x + -5x2 = 0 Solving -84 + X4 + -28x + -5x2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '84' to each side of the equation. -84 + X4 + -28x + 84 + -5x2 = 0 + 84 Reorder the terms: -84 + 84 + X4 + -28x + -5x2 = 0 + 84 Combine like terms: -84 + 84 = 0 0 + X4 + -28x + -5x2 = 0 + 84 X4 + -28x + -5x2 = 0 + 84 Combine like terms: 0 + 84 = 84 X4 + -28x + -5x2 = 84 Add '28x' to each side of the equation. X4 + -28x + 28x + -5x2 = 84 + 28x Combine like terms: -28x + 28x = 0 X4 + 0 + -5x2 = 84 + 28x X4 + -5x2 = 84 + 28x Add '5x2' to each side of the equation. X4 + -5x2 + 5x2 = 84 + 28x + 5x2 Combine like terms: -5x2 + 5x2 = 0 X4 + 0 = 84 + 28x + 5x2 X4 = 84 + 28x + 5x2 Simplifying X4 = 84 + 28x + 5x2 Reorder the terms: -84 + X4 + -28x + -5x2 = 84 + 28x + 5x2 + -84 + -28x + -5x2 Reorder the terms: -84 + X4 + -28x + -5x2 = 84 + -84 + 28x + -28x + 5x2 + -5x2 Combine like terms: 84 + -84 = 0 -84 + X4 + -28x + -5x2 = 0 + 28x + -28x + 5x2 + -5x2 -84 + X4 + -28x + -5x2 = 28x + -28x + 5x2 + -5x2 Combine like terms: 28x + -28x = 0 -84 + X4 + -28x + -5x2 = 0 + 5x2 + -5x2 -84 + X4 + -28x + -5x2 = 5x2 + -5x2 Combine like terms: 5x2 + -5x2 = 0 -84 + X4 + -28x + -5x2 = 0 The solution to this equation could not be determined.
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