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Simplifying (1 + 2x + 9x2 + 8x3) + (9 + -2x + 9x2 + -8x3) = 0 Remove parenthesis around (1 + 2x + 9x2 + 8x3) 1 + 2x + 9x2 + 8x3 + (9 + -2x + 9x2 + -8x3) = 0 Remove parenthesis around (9 + -2x + 9x2 + -8x3) 1 + 2x + 9x2 + 8x3 + 9 + -2x + 9x2 + -8x3 = 0 Reorder the terms: 1 + 9 + 2x + -2x + 9x2 + 9x2 + 8x3 + -8x3 = 0 Combine like terms: 1 + 9 = 10 10 + 2x + -2x + 9x2 + 9x2 + 8x3 + -8x3 = 0 Combine like terms: 2x + -2x = 0 10 + 0 + 9x2 + 9x2 + 8x3 + -8x3 = 0 10 + 9x2 + 9x2 + 8x3 + -8x3 = 0 Combine like terms: 9x2 + 9x2 = 18x2 10 + 18x2 + 8x3 + -8x3 = 0 Combine like terms: 8x3 + -8x3 = 0 10 + 18x2 + 0 = 0 10 + 18x2 = 0 Solving 10 + 18x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 18x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 18x2 = 0 + -10 18x2 = 0 + -10 Combine like terms: 0 + -10 = -10 18x2 = -10 Divide each side by '18'. x2 = -0.5555555556 Simplifying x2 = -0.5555555556 Reorder the terms: 0.5555555556 + x2 = -0.5555555556 + 0.5555555556 Combine like terms: -0.5555555556 + 0.5555555556 = 0.0000000000 0.5555555556 + x2 = 0.0000000000 The solution to this equation could not be determined.
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