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Simplifying -1p2 + 7p + -17 = 1 Reorder the terms: -17 + 7p + -1p2 = 1 Solving -17 + 7p + -1p2 = 1 Solving for variable 'p'. Reorder the terms: -17 + -1 + 7p + -1p2 = 1 + -1 Combine like terms: -17 + -1 = -18 -18 + 7p + -1p2 = 1 + -1 Combine like terms: 1 + -1 = 0 -18 + 7p + -1p2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 18 + -7p + p2 = 0 Move the constant term to the right: Add '-18' to each side of the equation. 18 + -7p + -18 + p2 = 0 + -18 Reorder the terms: 18 + -18 + -7p + p2 = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -7p + p2 = 0 + -18 -7p + p2 = 0 + -18 Combine like terms: 0 + -18 = -18 -7p + p2 = -18 The p term is -7p. Take half its coefficient (-3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. -7p + 12.25 + p2 = -18 + 12.25 Reorder the terms: 12.25 + -7p + p2 = -18 + 12.25 Combine like terms: -18 + 12.25 = -5.75 12.25 + -7p + p2 = -5.75 Factor a perfect square on the left side: (p + -3.5)(p + -3.5) = -5.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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