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Simplifying (7k + -13)(k2 + -2k + 7) + 6k = 0 Reorder the terms: (-13 + 7k)(k2 + -2k + 7) + 6k = 0 Reorder the terms: (-13 + 7k)(7 + -2k + k2) + 6k = 0 Multiply (-13 + 7k) * (7 + -2k + k2) (-13(7 + -2k + k2) + 7k * (7 + -2k + k2)) + 6k = 0 ((7 * -13 + -2k * -13 + k2 * -13) + 7k * (7 + -2k + k2)) + 6k = 0 ((-91 + 26k + -13k2) + 7k * (7 + -2k + k2)) + 6k = 0 (-91 + 26k + -13k2 + (7 * 7k + -2k * 7k + k2 * 7k)) + 6k = 0 (-91 + 26k + -13k2 + (49k + -14k2 + 7k3)) + 6k = 0 Reorder the terms: (-91 + 26k + 49k + -13k2 + -14k2 + 7k3) + 6k = 0 Combine like terms: 26k + 49k = 75k (-91 + 75k + -13k2 + -14k2 + 7k3) + 6k = 0 Combine like terms: -13k2 + -14k2 = -27k2 (-91 + 75k + -27k2 + 7k3) + 6k = 0 Reorder the terms: -91 + 75k + 6k + -27k2 + 7k3 = 0 Combine like terms: 75k + 6k = 81k -91 + 81k + -27k2 + 7k3 = 0 Solving -91 + 81k + -27k2 + 7k3 = 0 Solving for variable 'k'. The solution to this equation could not be determined.
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