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Simplifying 4p2 + 2p = -2.5 Reorder the terms: 2p + 4p2 = -2.5 Solving 2p + 4p2 = -2.5 Solving for variable 'p'. Reorder the terms: 2.5 + 2p + 4p2 = -2.5 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 2.5 + 2p + 4p2 = 0.0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 0.625 + 0.5p + p2 = 0.0 Move the constant term to the right: Add '-0.625' to each side of the equation. 0.625 + 0.5p + -0.625 + p2 = 0.0 + -0.625 Reorder the terms: 0.625 + -0.625 + 0.5p + p2 = 0.0 + -0.625 Combine like terms: 0.625 + -0.625 = 0.000 0.000 + 0.5p + p2 = 0.0 + -0.625 0.5p + p2 = 0.0 + -0.625 Combine like terms: 0.0 + -0.625 = -0.625 0.5p + p2 = -0.625 The p term is 0.5p. Take half its coefficient (0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. 0.5p + 0.0625 + p2 = -0.625 + 0.0625 Reorder the terms: 0.0625 + 0.5p + p2 = -0.625 + 0.0625 Combine like terms: -0.625 + 0.0625 = -0.5625 0.0625 + 0.5p + p2 = -0.5625 Factor a perfect square on the left side: (p + 0.25)(p + 0.25) = -0.5625 Can't calculate square root of the right side. The solution to this equation could not be determined.
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