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Simplifying 0 = 8x4 + 2x3 + -21x2 + -7x + 3 Reorder the terms: 0 = 3 + -7x + -21x2 + 2x3 + 8x4 Solving 0 = 3 + -7x + -21x2 + 2x3 + 8x4 Solving for variable 'x'. Combine like terms: 0 + -3 = -3 -3 + 7x + 21x2 + -2x3 + -8x4 = 3 + -7x + -21x2 + 2x3 + 8x4 + -3 + 7x + 21x2 + -2x3 + -8x4 Reorder the terms: -3 + 7x + 21x2 + -2x3 + -8x4 = 3 + -3 + -7x + 7x + -21x2 + 21x2 + 2x3 + -2x3 + 8x4 + -8x4 Combine like terms: 3 + -3 = 0 -3 + 7x + 21x2 + -2x3 + -8x4 = 0 + -7x + 7x + -21x2 + 21x2 + 2x3 + -2x3 + 8x4 + -8x4 -3 + 7x + 21x2 + -2x3 + -8x4 = -7x + 7x + -21x2 + 21x2 + 2x3 + -2x3 + 8x4 + -8x4 Combine like terms: -7x + 7x = 0 -3 + 7x + 21x2 + -2x3 + -8x4 = 0 + -21x2 + 21x2 + 2x3 + -2x3 + 8x4 + -8x4 -3 + 7x + 21x2 + -2x3 + -8x4 = -21x2 + 21x2 + 2x3 + -2x3 + 8x4 + -8x4 Combine like terms: -21x2 + 21x2 = 0 -3 + 7x + 21x2 + -2x3 + -8x4 = 0 + 2x3 + -2x3 + 8x4 + -8x4 -3 + 7x + 21x2 + -2x3 + -8x4 = 2x3 + -2x3 + 8x4 + -8x4 Combine like terms: 2x3 + -2x3 = 0 -3 + 7x + 21x2 + -2x3 + -8x4 = 0 + 8x4 + -8x4 -3 + 7x + 21x2 + -2x3 + -8x4 = 8x4 + -8x4 Combine like terms: 8x4 + -8x4 = 0 -3 + 7x + 21x2 + -2x3 + -8x4 = 0 The solution to this equation could not be determined.
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