9p^2-18p-88=0

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Solution for 9p^2-18p-88=0 equation:


Simplifying
9p2 + -18p + -88 = 0

Reorder the terms:
-88 + -18p + 9p2 = 0

Solving
-88 + -18p + 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'.
-9.777777778 + -2p + p2 = 0

Move the constant term to the right:

Add '9.777777778' to each side of the equation.
-9.777777778 + -2p + 9.777777778 + p2 = 0 + 9.777777778

Reorder the terms:
-9.777777778 + 9.777777778 + -2p + p2 = 0 + 9.777777778

Combine like terms: -9.777777778 + 9.777777778 = 0.000000000
0.000000000 + -2p + p2 = 0 + 9.777777778
-2p + p2 = 0 + 9.777777778

Combine like terms: 0 + 9.777777778 = 9.777777778
-2p + p2 = 9.777777778

The p term is -2p.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2p + 1 + p2 = 9.777777778 + 1

Reorder the terms:
1 + -2p + p2 = 9.777777778 + 1

Combine like terms: 9.777777778 + 1 = 10.777777778
1 + -2p + p2 = 10.777777778

Factor a perfect square on the left side:
(p + -1)(p + -1) = 10.777777778

Calculate the square root of the right side: 3.282952601

Break this problem into two subproblems by setting 
(p + -1) equal to 3.282952601 and -3.282952601.

Subproblem 1

p + -1 = 3.282952601 Simplifying p + -1 = 3.282952601 Reorder the terms: -1 + p = 3.282952601 Solving -1 + p = 3.282952601 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + p = 3.282952601 + 1 Combine like terms: -1 + 1 = 0 0 + p = 3.282952601 + 1 p = 3.282952601 + 1 Combine like terms: 3.282952601 + 1 = 4.282952601 p = 4.282952601 Simplifying p = 4.282952601

Subproblem 2

p + -1 = -3.282952601 Simplifying p + -1 = -3.282952601 Reorder the terms: -1 + p = -3.282952601 Solving -1 + p = -3.282952601 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + p = -3.282952601 + 1 Combine like terms: -1 + 1 = 0 0 + p = -3.282952601 + 1 p = -3.282952601 + 1 Combine like terms: -3.282952601 + 1 = -2.282952601 p = -2.282952601 Simplifying p = -2.282952601

Solution

The solution to the problem is based on the solutions from the subproblems. p = {4.282952601, -2.282952601}

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