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Simplifying sx2 + -20x + -4 = 0 Reorder the terms: -4 + sx2 + -20x = 0 Solving -4 + sx2 + -20x = 0 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '4' to each side of the equation. -4 + sx2 + 4 + -20x = 0 + 4 Reorder the terms: -4 + 4 + sx2 + -20x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + sx2 + -20x = 0 + 4 sx2 + -20x = 0 + 4 Combine like terms: 0 + 4 = 4 sx2 + -20x = 4 Add '20x' to each side of the equation. sx2 + -20x + 20x = 4 + 20x Combine like terms: -20x + 20x = 0 sx2 + 0 = 4 + 20x sx2 = 4 + 20x Divide each side by 'x2'. s = 4x-2 + 20x-1 Simplifying s = 4x-2 + 20x-1
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