p^2-11p-5=0

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Solution for p^2-11p-5=0 equation:


Simplifying
p2 + -11p + -5 = 0

Reorder the terms:
-5 + -11p + p2 = 0

Solving
-5 + -11p + p2 = 0

Solving for variable 'p'.

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -11p + 5 + p2 = 0 + 5

Reorder the terms:
-5 + 5 + -11p + p2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -11p + p2 = 0 + 5
-11p + p2 = 0 + 5

Combine like terms: 0 + 5 = 5
-11p + p2 = 5

The p term is -11p.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11p + 30.25 + p2 = 5 + 30.25

Reorder the terms:
30.25 + -11p + p2 = 5 + 30.25

Combine like terms: 5 + 30.25 = 35.25
30.25 + -11p + p2 = 35.25

Factor a perfect square on the left side:
(p + -5.5)(p + -5.5) = 35.25

Calculate the square root of the right side: 5.937171044

Break this problem into two subproblems by setting 
(p + -5.5) equal to 5.937171044 and -5.937171044.

Subproblem 1

p + -5.5 = 5.937171044 Simplifying p + -5.5 = 5.937171044 Reorder the terms: -5.5 + p = 5.937171044 Solving -5.5 + p = 5.937171044 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + p = 5.937171044 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + p = 5.937171044 + 5.5 p = 5.937171044 + 5.5 Combine like terms: 5.937171044 + 5.5 = 11.437171044 p = 11.437171044 Simplifying p = 11.437171044

Subproblem 2

p + -5.5 = -5.937171044 Simplifying p + -5.5 = -5.937171044 Reorder the terms: -5.5 + p = -5.937171044 Solving -5.5 + p = -5.937171044 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + p = -5.937171044 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + p = -5.937171044 + 5.5 p = -5.937171044 + 5.5 Combine like terms: -5.937171044 + 5.5 = -0.437171044 p = -0.437171044 Simplifying p = -0.437171044

Solution

The solution to the problem is based on the solutions from the subproblems. p = {11.437171044, -0.437171044}

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