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Simplifying -3p2 + 12p + 27 = 0 Reorder the terms: 27 + 12p + -3p2 = 0 Solving 27 + 12p + -3p2 = 0 Solving for variable 'p'. Factor out the Greatest Common Factor (GCF), '3'. 3(9 + 4p + -1p2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(9 + 4p + -1p2)' equal to zero and attempt to solve: Simplifying 9 + 4p + -1p2 = 0 Solving 9 + 4p + -1p2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -9 + -4p + p2 = 0 Move the constant term to the right: Add '9' to each side of the equation. -9 + -4p + 9 + p2 = 0 + 9 Reorder the terms: -9 + 9 + -4p + p2 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -4p + p2 = 0 + 9 -4p + p2 = 0 + 9 Combine like terms: 0 + 9 = 9 -4p + p2 = 9 The p term is -4p. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4p + 4 + p2 = 9 + 4 Reorder the terms: 4 + -4p + p2 = 9 + 4 Combine like terms: 9 + 4 = 13 4 + -4p + p2 = 13 Factor a perfect square on the left side: (p + -2)(p + -2) = 13 Calculate the square root of the right side: 3.605551275 Break this problem into two subproblems by setting (p + -2) equal to 3.605551275 and -3.605551275.Subproblem 1
p + -2 = 3.605551275 Simplifying p + -2 = 3.605551275 Reorder the terms: -2 + p = 3.605551275 Solving -2 + p = 3.605551275 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + p = 3.605551275 + 2 Combine like terms: -2 + 2 = 0 0 + p = 3.605551275 + 2 p = 3.605551275 + 2 Combine like terms: 3.605551275 + 2 = 5.605551275 p = 5.605551275 Simplifying p = 5.605551275Subproblem 2
p + -2 = -3.605551275 Simplifying p + -2 = -3.605551275 Reorder the terms: -2 + p = -3.605551275 Solving -2 + p = -3.605551275 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + p = -3.605551275 + 2 Combine like terms: -2 + 2 = 0 0 + p = -3.605551275 + 2 p = -3.605551275 + 2 Combine like terms: -3.605551275 + 2 = -1.605551275 p = -1.605551275 Simplifying p = -1.605551275Solution
The solution to the problem is based on the solutions from the subproblems. p = {5.605551275, -1.605551275}Solution
p = {5.605551275, -1.605551275}
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