p^2+22p=-25

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Solution for p^2+22p=-25 equation:


Simplifying
p2 + 22p = -25

Reorder the terms:
22p + p2 = -25

Solving
22p + p2 = -25

Solving for variable 'p'.

Reorder the terms:
25 + 22p + p2 = -25 + 25

Combine like terms: -25 + 25 = 0
25 + 22p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 22p + -25 + p2 = 0 + -25

Reorder the terms:
25 + -25 + 22p + p2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 22p + p2 = 0 + -25
22p + p2 = 0 + -25

Combine like terms: 0 + -25 = -25
22p + p2 = -25

The p term is 22p.  Take half its coefficient (11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
22p + 121 + p2 = -25 + 121

Reorder the terms:
121 + 22p + p2 = -25 + 121

Combine like terms: -25 + 121 = 96
121 + 22p + p2 = 96

Factor a perfect square on the left side:
(p + 11)(p + 11) = 96

Calculate the square root of the right side: 9.797958971

Break this problem into two subproblems by setting 
(p + 11) equal to 9.797958971 and -9.797958971.

Subproblem 1

p + 11 = 9.797958971 Simplifying p + 11 = 9.797958971 Reorder the terms: 11 + p = 9.797958971 Solving 11 + p = 9.797958971 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + p = 9.797958971 + -11 Combine like terms: 11 + -11 = 0 0 + p = 9.797958971 + -11 p = 9.797958971 + -11 Combine like terms: 9.797958971 + -11 = -1.202041029 p = -1.202041029 Simplifying p = -1.202041029

Subproblem 2

p + 11 = -9.797958971 Simplifying p + 11 = -9.797958971 Reorder the terms: 11 + p = -9.797958971 Solving 11 + p = -9.797958971 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + p = -9.797958971 + -11 Combine like terms: 11 + -11 = 0 0 + p = -9.797958971 + -11 p = -9.797958971 + -11 Combine like terms: -9.797958971 + -11 = -20.797958971 p = -20.797958971 Simplifying p = -20.797958971

Solution

The solution to the problem is based on the solutions from the subproblems. p = {-1.202041029, -20.797958971}

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