p^2+2p-54=6

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Solution for p^2+2p-54=6 equation:


Simplifying
p2 + 2p + -54 = 6

Reorder the terms:
-54 + 2p + p2 = 6

Solving
-54 + 2p + p2 = 6

Solving for variable 'p'.

Reorder the terms:
-54 + -6 + 2p + p2 = 6 + -6

Combine like terms: -54 + -6 = -60
-60 + 2p + p2 = 6 + -6

Combine like terms: 6 + -6 = 0
-60 + 2p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + 2p + 60 + p2 = 0 + 60

Reorder the terms:
-60 + 60 + 2p + p2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 2p + p2 = 0 + 60
2p + p2 = 0 + 60

Combine like terms: 0 + 60 = 60
2p + p2 = 60

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 = 60 + 1

Reorder the terms:
1 + 2p + p2 = 60 + 1

Combine like terms: 60 + 1 = 61
1 + 2p + p2 = 61

Factor a perfect square on the left side:
(p + 1)(p + 1) = 61

Calculate the square root of the right side: 7.810249676

Break this problem into two subproblems by setting 
(p + 1) equal to 7.810249676 and -7.810249676.

Subproblem 1

p + 1 = 7.810249676 Simplifying p + 1 = 7.810249676 Reorder the terms: 1 + p = 7.810249676 Solving 1 + p = 7.810249676 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 = 7.810249676 + -1 Combine like terms: 1 + -1 = 0 0 + p = 7.810249676 + -1 p = 7.810249676 + -1 Combine like terms: 7.810249676 + -1 = 6.810249676 p = 6.810249676 Simplifying p = 6.810249676

Subproblem 2

p + 1 = -7.810249676 Simplifying p + 1 = -7.810249676 Reorder the terms: 1 + p = -7.810249676 Solving 1 + p = -7.810249676 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 = -7.810249676 + -1 Combine like terms: 1 + -1 = 0 0 + p = -7.810249676 + -1 p = -7.810249676 + -1 Combine like terms: -7.810249676 + -1 = -8.810249676 p = -8.810249676 Simplifying p = -8.810249676

Solution

The solution to the problem is based on the solutions from the subproblems. p = {6.810249676, -8.810249676}

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