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Simplifying 0.8p2 + 86p + 13300 = 0 Reorder the terms: 13300 + 86p + 0.8p2 = 0 Solving 13300 + 86p + 0.8p2 = 0 Solving for variable 'p'. Begin completing the square. Divide all terms by 0.8 the coefficient of the squared term: Divide each side by '0.8'. 16625 + 107.5p + p2 = 0 Move the constant term to the right: Add '-16625' to each side of the equation. 16625 + 107.5p + -16625 + p2 = 0 + -16625 Reorder the terms: 16625 + -16625 + 107.5p + p2 = 0 + -16625 Combine like terms: 16625 + -16625 = 0 0 + 107.5p + p2 = 0 + -16625 107.5p + p2 = 0 + -16625 Combine like terms: 0 + -16625 = -16625 107.5p + p2 = -16625 The p term is 107.5p. Take half its coefficient (53.75). Square it (2889.0625) and add it to both sides. Add '2889.0625' to each side of the equation. 107.5p + 2889.0625 + p2 = -16625 + 2889.0625 Reorder the terms: 2889.0625 + 107.5p + p2 = -16625 + 2889.0625 Combine like terms: -16625 + 2889.0625 = -13735.9375 2889.0625 + 107.5p + p2 = -13735.9375 Factor a perfect square on the left side: (p + 53.75)(p + 53.75) = -13735.9375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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