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Simplifying 8x2 + 5x + k = 0 Reorder the terms: k + 5x + 8x2 = 0 Solving k + 5x + 8x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-5x' to each side of the equation. k + 5x + -5x + 8x2 = 0 + -5x Combine like terms: 5x + -5x = 0 k + 0 + 8x2 = 0 + -5x k + 8x2 = 0 + -5x Remove the zero: k + 8x2 = -5x Add '-8x2' to each side of the equation. k + 8x2 + -8x2 = -5x + -8x2 Combine like terms: 8x2 + -8x2 = 0 k + 0 = -5x + -8x2 k = -5x + -8x2 Simplifying k = -5x + -8x2
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