2p^2-55p+23=0

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Solution for 2p^2-55p+23=0 equation:


Simplifying
2p2 + -55p + 23 = 0

Reorder the terms:
23 + -55p + 2p2 = 0

Solving
23 + -55p + 2p2 = 0

Solving for variable 'p'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
11.5 + -27.5p + p2 = 0

Move the constant term to the right:

Add '-11.5' to each side of the equation.
11.5 + -27.5p + -11.5 + p2 = 0 + -11.5

Reorder the terms:
11.5 + -11.5 + -27.5p + p2 = 0 + -11.5

Combine like terms: 11.5 + -11.5 = 0.0
0.0 + -27.5p + p2 = 0 + -11.5
-27.5p + p2 = 0 + -11.5

Combine like terms: 0 + -11.5 = -11.5
-27.5p + p2 = -11.5

The p term is -27.5p.  Take half its coefficient (-13.75).
Square it (189.0625) and add it to both sides.

Add '189.0625' to each side of the equation.
-27.5p + 189.0625 + p2 = -11.5 + 189.0625

Reorder the terms:
189.0625 + -27.5p + p2 = -11.5 + 189.0625

Combine like terms: -11.5 + 189.0625 = 177.5625
189.0625 + -27.5p + p2 = 177.5625

Factor a perfect square on the left side:
(p + -13.75)(p + -13.75) = 177.5625

Calculate the square root of the right side: 13.325257971

Break this problem into two subproblems by setting 
(p + -13.75) equal to 13.325257971 and -13.325257971.

Subproblem 1

p + -13.75 = 13.325257971 Simplifying p + -13.75 = 13.325257971 Reorder the terms: -13.75 + p = 13.325257971 Solving -13.75 + p = 13.325257971 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '13.75' to each side of the equation. -13.75 + 13.75 + p = 13.325257971 + 13.75 Combine like terms: -13.75 + 13.75 = 0.00 0.00 + p = 13.325257971 + 13.75 p = 13.325257971 + 13.75 Combine like terms: 13.325257971 + 13.75 = 27.075257971 p = 27.075257971 Simplifying p = 27.075257971

Subproblem 2

p + -13.75 = -13.325257971 Simplifying p + -13.75 = -13.325257971 Reorder the terms: -13.75 + p = -13.325257971 Solving -13.75 + p = -13.325257971 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '13.75' to each side of the equation. -13.75 + 13.75 + p = -13.325257971 + 13.75 Combine like terms: -13.75 + 13.75 = 0.00 0.00 + p = -13.325257971 + 13.75 p = -13.325257971 + 13.75 Combine like terms: -13.325257971 + 13.75 = 0.424742029 p = 0.424742029 Simplifying p = 0.424742029

Solution

The solution to the problem is based on the solutions from the subproblems. p = {27.075257971, 0.424742029}

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