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Simplifying -3x2 + -5x + 4 + k = 0 Reorder the terms: 4 + k + -5x + -3x2 = 0 Solving 4 + k + -5x + -3x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + k + -5x + -4 + -3x2 = 0 + -4 Reorder the terms: 4 + -4 + k + -5x + -3x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + k + -5x + -3x2 = 0 + -4 k + -5x + -3x2 = 0 + -4 Combine like terms: 0 + -4 = -4 k + -5x + -3x2 = -4 Add '5x' to each side of the equation. k + -5x + 5x + -3x2 = -4 + 5x Combine like terms: -5x + 5x = 0 k + 0 + -3x2 = -4 + 5x k + -3x2 = -4 + 5x Add '3x2' to each side of the equation. k + -3x2 + 3x2 = -4 + 5x + 3x2 Combine like terms: -3x2 + 3x2 = 0 k + 0 = -4 + 5x + 3x2 k = -4 + 5x + 3x2 Simplifying k = -4 + 5x + 3x2
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