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Simplifying 0 = -1p + -1p2 + 4 Reorder the terms: 0 = 4 + -1p + -1p2 Solving 0 = 4 + -1p + -1p2 Solving for variable 'p'. Combine like terms: 0 + -4 = -4 -4 + p + p2 = 4 + -1p + -1p2 + -4 + p + p2 Reorder the terms: -4 + p + p2 = 4 + -4 + -1p + p + -1p2 + p2 Combine like terms: 4 + -4 = 0 -4 + p + p2 = 0 + -1p + p + -1p2 + p2 -4 + p + p2 = -1p + p + -1p2 + p2 Combine like terms: -1p + p = 0 -4 + p + p2 = 0 + -1p2 + p2 -4 + p + p2 = -1p2 + p2 Combine like terms: -1p2 + p2 = 0 -4 + p + p2 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + p + 4 + p2 = 0 + 4 Reorder the terms: -4 + 4 + p + p2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + p + p2 = 0 + 4 p + p2 = 0 + 4 Combine like terms: 0 + 4 = 4 p + p2 = 4 The p term is p. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. p + 0.25 + p2 = 4 + 0.25 Reorder the terms: 0.25 + p + p2 = 4 + 0.25 Combine like terms: 4 + 0.25 = 4.25 0.25 + p + p2 = 4.25 Factor a perfect square on the left side: (p + 0.5)(p + 0.5) = 4.25 Calculate the square root of the right side: 2.061552813 Break this problem into two subproblems by setting (p + 0.5) equal to 2.061552813 and -2.061552813.Subproblem 1
p + 0.5 = 2.061552813 Simplifying p + 0.5 = 2.061552813 Reorder the terms: 0.5 + p = 2.061552813 Solving 0.5 + p = 2.061552813 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + p = 2.061552813 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + p = 2.061552813 + -0.5 p = 2.061552813 + -0.5 Combine like terms: 2.061552813 + -0.5 = 1.561552813 p = 1.561552813 Simplifying p = 1.561552813Subproblem 2
p + 0.5 = -2.061552813 Simplifying p + 0.5 = -2.061552813 Reorder the terms: 0.5 + p = -2.061552813 Solving 0.5 + p = -2.061552813 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + p = -2.061552813 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + p = -2.061552813 + -0.5 p = -2.061552813 + -0.5 Combine like terms: -2.061552813 + -0.5 = -2.561552813 p = -2.561552813 Simplifying p = -2.561552813Solution
The solution to the problem is based on the solutions from the subproblems. p = {1.561552813, -2.561552813}
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