9p^2+p-8091=0

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Solution for 9p^2+p-8091=0 equation:


Simplifying
9p2 + p + -8091 = 0

Reorder the terms:
-8091 + p + 9p2 = 0

Solving
-8091 + p + 9p2 = 0

Solving for variable 'p'.

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

Divide each side by '9'.
-899 + 0.1111111111p + p2 = 0

Move the constant term to the right:

Add '899' to each side of the equation.
-899 + 0.1111111111p + 899 + p2 = 0 + 899

Reorder the terms:
-899 + 899 + 0.1111111111p + p2 = 0 + 899

Combine like terms: -899 + 899 = 0
0 + 0.1111111111p + p2 = 0 + 899
0.1111111111p + p2 = 0 + 899

Combine like terms: 0 + 899 = 899
0.1111111111p + p2 = 899

The p term is p.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.1111111111p + 0.25 + p2 = 899 + 0.25

Reorder the terms:
0.25 + 0.1111111111p + p2 = 899 + 0.25

Combine like terms: 899 + 0.25 = 899.25
0.25 + 0.1111111111p + p2 = 899.25

Factor a perfect square on the left side:
(p + 0.5)(p + 0.5) = 899.25

Calculate the square root of the right side: 29.987497395

Break this problem into two subproblems by setting 
(p + 0.5) equal to 29.987497395 and -29.987497395.

Subproblem 1

p + 0.5 = 29.987497395 Simplifying p + 0.5 = 29.987497395 Reorder the terms: 0.5 + p = 29.987497395 Solving 0.5 + p = 29.987497395 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + p = 29.987497395 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + p = 29.987497395 + -0.5 p = 29.987497395 + -0.5 Combine like terms: 29.987497395 + -0.5 = 29.487497395 p = 29.487497395 Simplifying p = 29.487497395

Subproblem 2

p + 0.5 = -29.987497395 Simplifying p + 0.5 = -29.987497395 Reorder the terms: 0.5 + p = -29.987497395 Solving 0.5 + p = -29.987497395 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + p = -29.987497395 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + p = -29.987497395 + -0.5 p = -29.987497395 + -0.5 Combine like terms: -29.987497395 + -0.5 = -30.487497395 p = -30.487497395 Simplifying p = -30.487497395

Solution

The solution to the problem is based on the solutions from the subproblems. p = {29.487497395, -30.487497395}

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