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Simplifying y2 + -30y + c = 0 Reorder the terms: c + -30y + y2 = 0 Solving c + -30y + y2 = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '30y' to each side of the equation. c + -30y + 30y + y2 = 0 + 30y Combine like terms: -30y + 30y = 0 c + 0 + y2 = 0 + 30y c + y2 = 0 + 30y Remove the zero: c + y2 = 30y Add '-1y2' to each side of the equation. c + y2 + -1y2 = 30y + -1y2 Combine like terms: y2 + -1y2 = 0 c + 0 = 30y + -1y2 c = 30y + -1y2 Simplifying c = 30y + -1y2
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