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Simplifying (K + 7)(k + 4) = 0 Reorder the terms: (7 + K)(k + 4) = 0 Reorder the terms: (7 + K)(4 + k) = 0 Multiply (7 + K) * (4 + k) (7(4 + k) + K(4 + k)) = 0 ((4 * 7 + k * 7) + K(4 + k)) = 0 ((28 + 7k) + K(4 + k)) = 0 (28 + 7k + (4 * K + k * K)) = 0 (28 + 7k + (4K + kK)) = 0 Reorder the terms: (28 + 4K + 7k + kK) = 0 (28 + 4K + 7k + kK) = 0 Solving 28 + 4K + 7k + kK = 0 Solving for variable 'K'. Move all terms containing K to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + 4K + 7k + -28 + kK = 0 + -28 Reorder the terms: 28 + -28 + 4K + 7k + kK = 0 + -28 Combine like terms: 28 + -28 = 0 0 + 4K + 7k + kK = 0 + -28 4K + 7k + kK = 0 + -28 Combine like terms: 0 + -28 = -28 4K + 7k + kK = -28 Add '-7k' to each side of the equation. 4K + 7k + -7k + kK = -28 + -7k Combine like terms: 7k + -7k = 0 4K + 0 + kK = -28 + -7k 4K + kK = -28 + -7k Reorder the terms: 28 + 4K + 7k + kK = -28 + -7k + 28 + 7k Reorder the terms: 28 + 4K + 7k + kK = -28 + 28 + -7k + 7k Combine like terms: -28 + 28 = 0 28 + 4K + 7k + kK = 0 + -7k + 7k 28 + 4K + 7k + kK = -7k + 7k Combine like terms: -7k + 7k = 0 28 + 4K + 7k + kK = 0 The solution to this equation could not be determined.
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