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Simplifying 9x2 + -20k = 0 Reorder the terms: -20k + 9x2 = 0 Solving -20k + 9x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-9x2' to each side of the equation. -20k + 9x2 + -9x2 = 0 + -9x2 Combine like terms: 9x2 + -9x2 = 0 -20k + 0 = 0 + -9x2 -20k = 0 + -9x2 Remove the zero: -20k = -9x2 Divide each side by '-20'. k = 0.45x2 Simplifying k = 0.45x2
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