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Simplifying (3 + 2x + 8x2 + 9x3) + -1(-8 + 2x + -8x2 + 9x3) = 0 Remove parenthesis around (3 + 2x + 8x2 + 9x3) 3 + 2x + 8x2 + 9x3 + -1(-8 + 2x + -8x2 + 9x3) = 0 3 + 2x + 8x2 + 9x3 + (-8 * -1 + 2x * -1 + -8x2 * -1 + 9x3 * -1) = 0 3 + 2x + 8x2 + 9x3 + (8 + -2x + 8x2 + -9x3) = 0 Reorder the terms: 3 + 8 + 2x + -2x + 8x2 + 8x2 + 9x3 + -9x3 = 0 Combine like terms: 3 + 8 = 11 11 + 2x + -2x + 8x2 + 8x2 + 9x3 + -9x3 = 0 Combine like terms: 2x + -2x = 0 11 + 0 + 8x2 + 8x2 + 9x3 + -9x3 = 0 11 + 8x2 + 8x2 + 9x3 + -9x3 = 0 Combine like terms: 8x2 + 8x2 = 16x2 11 + 16x2 + 9x3 + -9x3 = 0 Combine like terms: 9x3 + -9x3 = 0 11 + 16x2 + 0 = 0 11 + 16x2 = 0 Solving 11 + 16x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + 16x2 = 0 + -11 Combine like terms: 11 + -11 = 0 0 + 16x2 = 0 + -11 16x2 = 0 + -11 Combine like terms: 0 + -11 = -11 16x2 = -11 Divide each side by '16'. x2 = -0.6875 Simplifying x2 = -0.6875 Reorder the terms: 0.6875 + x2 = -0.6875 + 0.6875 Combine like terms: -0.6875 + 0.6875 = 0.0000 0.6875 + x2 = 0.0000 The solution to this equation could not be determined.
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