(p^2+6p-20)=0

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Solution for (p^2+6p-20)=0 equation:


Simplifying
(p2 + 6p + -20) = 0

Reorder the terms:
(-20 + 6p + p2) = 0

Remove parenthesis around (-20 + 6p + p2)
-20 + 6p + p2 = 0

Solving
-20 + 6p + p2 = 0

Solving for variable 'p'.

Begin completing the square.

Move the constant term to the right:

Add '20' to each side of the equation.
-20 + 6p + 20 + p2 = 0 + 20

Reorder the terms:
-20 + 20 + 6p + p2 = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 6p + p2 = 0 + 20
6p + p2 = 0 + 20

Combine like terms: 0 + 20 = 20
6p + p2 = 20

The p term is 6p.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6p + 9 + p2 = 20 + 9

Reorder the terms:
9 + 6p + p2 = 20 + 9

Combine like terms: 20 + 9 = 29
9 + 6p + p2 = 29

Factor a perfect square on the left side:
(p + 3)(p + 3) = 29

Calculate the square root of the right side: 5.385164807

Break this problem into two subproblems by setting 
(p + 3) equal to 5.385164807 and -5.385164807.

Subproblem 1

p + 3 = 5.385164807 Simplifying p + 3 = 5.385164807 Reorder the terms: 3 + p = 5.385164807 Solving 3 + p = 5.385164807 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + p = 5.385164807 + -3 Combine like terms: 3 + -3 = 0 0 + p = 5.385164807 + -3 p = 5.385164807 + -3 Combine like terms: 5.385164807 + -3 = 2.385164807 p = 2.385164807 Simplifying p = 2.385164807

Subproblem 2

p + 3 = -5.385164807 Simplifying p + 3 = -5.385164807 Reorder the terms: 3 + p = -5.385164807 Solving 3 + p = -5.385164807 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + p = -5.385164807 + -3 Combine like terms: 3 + -3 = 0 0 + p = -5.385164807 + -3 p = -5.385164807 + -3 Combine like terms: -5.385164807 + -3 = -8.385164807 p = -8.385164807 Simplifying p = -8.385164807

Solution

The solution to the problem is based on the solutions from the subproblems. p = {2.385164807, -8.385164807}

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