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Simplifying 25x2 + -5x + k = 0 Reorder the terms: k + -5x + 25x2 = 0 Solving k + -5x + 25x2 = 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 + 25x2 = 0 + 5x Combine like terms: -5x + 5x = 0 k + 0 + 25x2 = 0 + 5x k + 25x2 = 0 + 5x Remove the zero: k + 25x2 = 5x Add '-25x2' to each side of the equation. k + 25x2 + -25x2 = 5x + -25x2 Combine like terms: 25x2 + -25x2 = 0 k + 0 = 5x + -25x2 k = 5x + -25x2 Simplifying k = 5x + -25x2
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