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Simplifying (C + 9)(7c2 + 2) = 0 Reorder the terms: (9 + C)(7c2 + 2) = 0 Reorder the terms: (9 + C)(2 + 7c2) = 0 Multiply (9 + C) * (2 + 7c2) (9(2 + 7c2) + C(2 + 7c2)) = 0 ((2 * 9 + 7c2 * 9) + C(2 + 7c2)) = 0 ((18 + 63c2) + C(2 + 7c2)) = 0 (18 + 63c2 + (2 * C + 7c2 * C)) = 0 (18 + 63c2 + (2C + 7c2C)) = 0 Reorder the terms: (18 + 2C + 63c2 + 7c2C) = 0 (18 + 2C + 63c2 + 7c2C) = 0 Solving 18 + 2C + 63c2 + 7c2C = 0 Solving for variable 'C'. Move all terms containing C to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + 2C + 63c2 + -18 + 7c2C = 0 + -18 Reorder the terms: 18 + -18 + 2C + 63c2 + 7c2C = 0 + -18 Combine like terms: 18 + -18 = 0 0 + 2C + 63c2 + 7c2C = 0 + -18 2C + 63c2 + 7c2C = 0 + -18 Combine like terms: 0 + -18 = -18 2C + 63c2 + 7c2C = -18 Add '-63c2' to each side of the equation. 2C + 63c2 + -63c2 + 7c2C = -18 + -63c2 Combine like terms: 63c2 + -63c2 = 0 2C + 0 + 7c2C = -18 + -63c2 2C + 7c2C = -18 + -63c2 Reorder the terms: 18 + 2C + 63c2 + 7c2C = -18 + -63c2 + 18 + 63c2 Reorder the terms: 18 + 2C + 63c2 + 7c2C = -18 + 18 + -63c2 + 63c2 Combine like terms: -18 + 18 = 0 18 + 2C + 63c2 + 7c2C = 0 + -63c2 + 63c2 18 + 2C + 63c2 + 7c2C = -63c2 + 63c2 Combine like terms: -63c2 + 63c2 = 0 18 + 2C + 63c2 + 7c2C = 0 The solution to this equation could not be determined.
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