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Simplifying (7k + -3)(k2 + -2k + 7) = 0 Reorder the terms: (-3 + 7k)(k2 + -2k + 7) = 0 Reorder the terms: (-3 + 7k)(7 + -2k + k2) = 0 Multiply (-3 + 7k) * (7 + -2k + k2) (-3(7 + -2k + k2) + 7k * (7 + -2k + k2)) = 0 ((7 * -3 + -2k * -3 + k2 * -3) + 7k * (7 + -2k + k2)) = 0 ((-21 + 6k + -3k2) + 7k * (7 + -2k + k2)) = 0 (-21 + 6k + -3k2 + (7 * 7k + -2k * 7k + k2 * 7k)) = 0 (-21 + 6k + -3k2 + (49k + -14k2 + 7k3)) = 0 Reorder the terms: (-21 + 6k + 49k + -3k2 + -14k2 + 7k3) = 0 Combine like terms: 6k + 49k = 55k (-21 + 55k + -3k2 + -14k2 + 7k3) = 0 Combine like terms: -3k2 + -14k2 = -17k2 (-21 + 55k + -17k2 + 7k3) = 0 Solving -21 + 55k + -17k2 + 7k3 = 0 Solving for variable 'k'. The solution to this equation could not be determined.
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