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Simplifying (3x * 3x + 7) + (3x * 3x + 9) = 0 Reorder the terms for easier multiplication: (3 * 3x * x + 7) + (3x * 3x + 9) = 0 Multiply 3 * 3 (9x * x + 7) + (3x * 3x + 9) = 0 Multiply x * x (9x2 + 7) + (3x * 3x + 9) = 0 Reorder the terms: (7 + 9x2) + (3x * 3x + 9) = 0 Remove parenthesis around (7 + 9x2) 7 + 9x2 + (3x * 3x + 9) = 0 Reorder the terms for easier multiplication: 7 + 9x2 + (3 * 3x * x + 9) = 0 Multiply 3 * 3 7 + 9x2 + (9x * x + 9) = 0 Multiply x * x 7 + 9x2 + (9x2 + 9) = 0 Reorder the terms: 7 + 9x2 + (9 + 9x2) = 0 Remove parenthesis around (9 + 9x2) 7 + 9x2 + 9 + 9x2 = 0 Reorder the terms: 7 + 9 + 9x2 + 9x2 = 0 Combine like terms: 7 + 9 = 16 16 + 9x2 + 9x2 = 0 Combine like terms: 9x2 + 9x2 = 18x2 16 + 18x2 = 0 Solving 16 + 18x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + 18x2 = 0 + -16 Combine like terms: 16 + -16 = 0 0 + 18x2 = 0 + -16 18x2 = 0 + -16 Combine like terms: 0 + -16 = -16 18x2 = -16 Divide each side by '18'. x2 = -0.8888888889 Simplifying x2 = -0.8888888889 Reorder the terms: 0.8888888889 + x2 = -0.8888888889 + 0.8888888889 Combine like terms: -0.8888888889 + 0.8888888889 = 0.0000000000 0.8888888889 + x2 = 0.0000000000 The solution to this equation could not be determined.
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