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Simplifying 72k2 + 29K + -21 = 0 Reorder the terms: -21 + 29K + 72k2 = 0 Solving -21 + 29K + 72k2 = 0 Solving for variable 'K'. Move all terms containing K to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 29K + 21 + 72k2 = 0 + 21 Reorder the terms: -21 + 21 + 29K + 72k2 = 0 + 21 Combine like terms: -21 + 21 = 0 0 + 29K + 72k2 = 0 + 21 29K + 72k2 = 0 + 21 Combine like terms: 0 + 21 = 21 29K + 72k2 = 21 Add '-72k2' to each side of the equation. 29K + 72k2 + -72k2 = 21 + -72k2 Combine like terms: 72k2 + -72k2 = 0 29K + 0 = 21 + -72k2 29K = 21 + -72k2 Divide each side by '29'. K = 0.724137931 + -2.482758621k2 Simplifying K = 0.724137931 + -2.482758621k2
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