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Simplifying 2p2 + -7p + 13 = 0 Reorder the terms: 13 + -7p + 2p2 = 0 Solving 13 + -7p + 2p2 = 0 Solving for variable 'p'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 6.5 + -3.5p + p2 = 0 Move the constant term to the right: Add '-6.5' to each side of the equation. 6.5 + -3.5p + -6.5 + p2 = 0 + -6.5 Reorder the terms: 6.5 + -6.5 + -3.5p + p2 = 0 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + -3.5p + p2 = 0 + -6.5 -3.5p + p2 = 0 + -6.5 Combine like terms: 0 + -6.5 = -6.5 -3.5p + p2 = -6.5 The p term is -3.5p. Take half its coefficient (-1.75). Square it (3.0625) and add it to both sides. Add '3.0625' to each side of the equation. -3.5p + 3.0625 + p2 = -6.5 + 3.0625 Reorder the terms: 3.0625 + -3.5p + p2 = -6.5 + 3.0625 Combine like terms: -6.5 + 3.0625 = -3.4375 3.0625 + -3.5p + p2 = -3.4375 Factor a perfect square on the left side: (p + -1.75)(p + -1.75) = -3.4375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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