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Simplifying (x4 + 8x2 + -1) + -1(x2 + -3x3 + x4) = 0 Reorder the terms: (-1 + 8x2 + x4) + -1(x2 + -3x3 + x4) = 0 Remove parenthesis around (-1 + 8x2 + x4) -1 + 8x2 + x4 + -1(x2 + -3x3 + x4) = 0 -1 + 8x2 + x4 + (x2 * -1 + -3x3 * -1 + x4 * -1) = 0 -1 + 8x2 + x4 + (-1x2 + 3x3 + -1x4) = 0 Reorder the terms: -1 + 8x2 + -1x2 + 3x3 + x4 + -1x4 = 0 Combine like terms: 8x2 + -1x2 = 7x2 -1 + 7x2 + 3x3 + x4 + -1x4 = 0 Combine like terms: x4 + -1x4 = 0 -1 + 7x2 + 3x3 + 0 = 0 -1 + 7x2 + 3x3 = 0 Solving -1 + 7x2 + 3x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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