11p^2-1=-8p

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Solution for 11p^2-1=-8p equation:


Simplifying
11p2 + -1 = -8p

Reorder the terms:
-1 + 11p2 = -8p

Solving
-1 + 11p2 = -8p

Solving for variable 'p'.

Reorder the terms:
-1 + 8p + 11p2 = -8p + 8p

Combine like terms: -8p + 8p = 0
-1 + 8p + 11p2 = 0

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

Divide each side by '11'.
-0.09090909091 + 0.7272727273p + p2 = 0

Move the constant term to the right:

Add '0.09090909091' to each side of the equation.
-0.09090909091 + 0.7272727273p + 0.09090909091 + p2 = 0 + 0.09090909091

Reorder the terms:
-0.09090909091 + 0.09090909091 + 0.7272727273p + p2 = 0 + 0.09090909091

Combine like terms: -0.09090909091 + 0.09090909091 = 0.00000000000
0.00000000000 + 0.7272727273p + p2 = 0 + 0.09090909091
0.7272727273p + p2 = 0 + 0.09090909091

Combine like terms: 0 + 0.09090909091 = 0.09090909091
0.7272727273p + p2 = 0.09090909091

The p term is 0.7272727273p.  Take half its coefficient (0.3636363637).
Square it (0.1322314050) and add it to both sides.

Add '0.1322314050' to each side of the equation.
0.7272727273p + 0.1322314050 + p2 = 0.09090909091 + 0.1322314050

Reorder the terms:
0.1322314050 + 0.7272727273p + p2 = 0.09090909091 + 0.1322314050

Combine like terms: 0.09090909091 + 0.1322314050 = 0.22314049591
0.1322314050 + 0.7272727273p + p2 = 0.22314049591

Factor a perfect square on the left side:
(p + 0.3636363637)(p + 0.3636363637) = 0.22314049591

Calculate the square root of the right side: 0.472377493

Break this problem into two subproblems by setting 
(p + 0.3636363637) equal to 0.472377493 and -0.472377493.

Subproblem 1

p + 0.3636363637 = 0.472377493 Simplifying p + 0.3636363637 = 0.472377493 Reorder the terms: 0.3636363637 + p = 0.472377493 Solving 0.3636363637 + p = 0.472377493 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.3636363637' to each side of the equation. 0.3636363637 + -0.3636363637 + p = 0.472377493 + -0.3636363637 Combine like terms: 0.3636363637 + -0.3636363637 = 0.0000000000 0.0000000000 + p = 0.472377493 + -0.3636363637 p = 0.472377493 + -0.3636363637 Combine like terms: 0.472377493 + -0.3636363637 = 0.1087411293 p = 0.1087411293 Simplifying p = 0.1087411293

Subproblem 2

p + 0.3636363637 = -0.472377493 Simplifying p + 0.3636363637 = -0.472377493 Reorder the terms: 0.3636363637 + p = -0.472377493 Solving 0.3636363637 + p = -0.472377493 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.3636363637' to each side of the equation. 0.3636363637 + -0.3636363637 + p = -0.472377493 + -0.3636363637 Combine like terms: 0.3636363637 + -0.3636363637 = 0.0000000000 0.0000000000 + p = -0.472377493 + -0.3636363637 p = -0.472377493 + -0.3636363637 Combine like terms: -0.472377493 + -0.3636363637 = -0.8360138567 p = -0.8360138567 Simplifying p = -0.8360138567

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.1087411293, -0.8360138567}

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