p^2-12p+11=7

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Solution for p^2-12p+11=7 equation:


Simplifying
p2 + -12p + 11 = 7

Reorder the terms:
11 + -12p + p2 = 7

Solving
11 + -12p + p2 = 7

Solving for variable 'p'.

Reorder the terms:
11 + -7 + -12p + p2 = 7 + -7

Combine like terms: 11 + -7 = 4
4 + -12p + p2 = 7 + -7

Combine like terms: 7 + -7 = 0
4 + -12p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -12p + -4 + p2 = 0 + -4

Reorder the terms:
4 + -4 + -12p + p2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -12p + p2 = 0 + -4
-12p + p2 = 0 + -4

Combine like terms: 0 + -4 = -4
-12p + p2 = -4

The p term is -12p.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12p + 36 + p2 = -4 + 36

Reorder the terms:
36 + -12p + p2 = -4 + 36

Combine like terms: -4 + 36 = 32
36 + -12p + p2 = 32

Factor a perfect square on the left side:
(p + -6)(p + -6) = 32

Calculate the square root of the right side: 5.656854249

Break this problem into two subproblems by setting 
(p + -6) equal to 5.656854249 and -5.656854249.

Subproblem 1

p + -6 = 5.656854249 Simplifying p + -6 = 5.656854249 Reorder the terms: -6 + p = 5.656854249 Solving -6 + p = 5.656854249 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + p = 5.656854249 + 6 Combine like terms: -6 + 6 = 0 0 + p = 5.656854249 + 6 p = 5.656854249 + 6 Combine like terms: 5.656854249 + 6 = 11.656854249 p = 11.656854249 Simplifying p = 11.656854249

Subproblem 2

p + -6 = -5.656854249 Simplifying p + -6 = -5.656854249 Reorder the terms: -6 + p = -5.656854249 Solving -6 + p = -5.656854249 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + p = -5.656854249 + 6 Combine like terms: -6 + 6 = 0 0 + p = -5.656854249 + 6 p = -5.656854249 + 6 Combine like terms: -5.656854249 + 6 = 0.343145751 p = 0.343145751 Simplifying p = 0.343145751

Solution

The solution to the problem is based on the solutions from the subproblems. p = {11.656854249, 0.343145751}

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