p^2-20p-59=0

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Solution for p^2-20p-59=0 equation:


Simplifying
p2 + -20p + -59 = 0

Reorder the terms:
-59 + -20p + p2 = 0

Solving
-59 + -20p + p2 = 0

Solving for variable 'p'.

Begin completing the square.

Move the constant term to the right:

Add '59' to each side of the equation.
-59 + -20p + 59 + p2 = 0 + 59

Reorder the terms:
-59 + 59 + -20p + p2 = 0 + 59

Combine like terms: -59 + 59 = 0
0 + -20p + p2 = 0 + 59
-20p + p2 = 0 + 59

Combine like terms: 0 + 59 = 59
-20p + p2 = 59

The p term is -20p.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20p + 100 + p2 = 59 + 100

Reorder the terms:
100 + -20p + p2 = 59 + 100

Combine like terms: 59 + 100 = 159
100 + -20p + p2 = 159

Factor a perfect square on the left side:
(p + -10)(p + -10) = 159

Calculate the square root of the right side: 12.609520213

Break this problem into two subproblems by setting 
(p + -10) equal to 12.609520213 and -12.609520213.

Subproblem 1

p + -10 = 12.609520213 Simplifying p + -10 = 12.609520213 Reorder the terms: -10 + p = 12.609520213 Solving -10 + p = 12.609520213 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + p = 12.609520213 + 10 Combine like terms: -10 + 10 = 0 0 + p = 12.609520213 + 10 p = 12.609520213 + 10 Combine like terms: 12.609520213 + 10 = 22.609520213 p = 22.609520213 Simplifying p = 22.609520213

Subproblem 2

p + -10 = -12.609520213 Simplifying p + -10 = -12.609520213 Reorder the terms: -10 + p = -12.609520213 Solving -10 + p = -12.609520213 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + p = -12.609520213 + 10 Combine like terms: -10 + 10 = 0 0 + p = -12.609520213 + 10 p = -12.609520213 + 10 Combine like terms: -12.609520213 + 10 = -2.609520213 p = -2.609520213 Simplifying p = -2.609520213

Solution

The solution to the problem is based on the solutions from the subproblems. p = {22.609520213, -2.609520213}

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