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Simplifying (3x + -1)(3x + 1) = -20 Reorder the terms: (-1 + 3x)(3x + 1) = -20 Reorder the terms: (-1 + 3x)(1 + 3x) = -20 Multiply (-1 + 3x) * (1 + 3x) (-1(1 + 3x) + 3x * (1 + 3x)) = -20 ((1 * -1 + 3x * -1) + 3x * (1 + 3x)) = -20 ((-1 + -3x) + 3x * (1 + 3x)) = -20 (-1 + -3x + (1 * 3x + 3x * 3x)) = -20 (-1 + -3x + (3x + 9x2)) = -20 Combine like terms: -3x + 3x = 0 (-1 + 0 + 9x2) = -20 (-1 + 9x2) = -20 Solving -1 + 9x2 = -20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + 9x2 = -20 + 1 Combine like terms: -1 + 1 = 0 0 + 9x2 = -20 + 1 9x2 = -20 + 1 Combine like terms: -20 + 1 = -19 9x2 = -19 Divide each side by '9'. x2 = -2.111111111 Simplifying x2 = -2.111111111 Reorder the terms: 2.111111111 + x2 = -2.111111111 + 2.111111111 Combine like terms: -2.111111111 + 2.111111111 = 0.000000000 2.111111111 + x2 = 0.000000000 The solution to this equation could not be determined.
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