p^2+6p-73=0

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Solution for p^2+6p-73=0 equation:


Simplifying
p2 + 6p + -73 = 0

Reorder the terms:
-73 + 6p + p2 = 0

Solving
-73 + 6p + p2 = 0

Solving for variable 'p'.

Begin completing the square.

Move the constant term to the right:

Add '73' to each side of the equation.
-73 + 6p + 73 + p2 = 0 + 73

Reorder the terms:
-73 + 73 + 6p + p2 = 0 + 73

Combine like terms: -73 + 73 = 0
0 + 6p + p2 = 0 + 73
6p + p2 = 0 + 73

Combine like terms: 0 + 73 = 73
6p + p2 = 73

The p term is 6p.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6p + 9 + p2 = 73 + 9

Reorder the terms:
9 + 6p + p2 = 73 + 9

Combine like terms: 73 + 9 = 82
9 + 6p + p2 = 82

Factor a perfect square on the left side:
(p + 3)(p + 3) = 82

Calculate the square root of the right side: 9.055385138

Break this problem into two subproblems by setting 
(p + 3) equal to 9.055385138 and -9.055385138.

Subproblem 1

p + 3 = 9.055385138 Simplifying p + 3 = 9.055385138 Reorder the terms: 3 + p = 9.055385138 Solving 3 + p = 9.055385138 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + p = 9.055385138 + -3 Combine like terms: 3 + -3 = 0 0 + p = 9.055385138 + -3 p = 9.055385138 + -3 Combine like terms: 9.055385138 + -3 = 6.055385138 p = 6.055385138 Simplifying p = 6.055385138

Subproblem 2

p + 3 = -9.055385138 Simplifying p + 3 = -9.055385138 Reorder the terms: 3 + p = -9.055385138 Solving 3 + p = -9.055385138 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + p = -9.055385138 + -3 Combine like terms: 3 + -3 = 0 0 + p = -9.055385138 + -3 p = -9.055385138 + -3 Combine like terms: -9.055385138 + -3 = -12.055385138 p = -12.055385138 Simplifying p = -12.055385138

Solution

The solution to the problem is based on the solutions from the subproblems. p = {6.055385138, -12.055385138}

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