p^2+12p-77=-4

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Solution for p^2+12p-77=-4 equation:


Simplifying
p2 + 12p + -77 = -4

Reorder the terms:
-77 + 12p + p2 = -4

Solving
-77 + 12p + p2 = -4

Solving for variable 'p'.

Reorder the terms:
-77 + 4 + 12p + p2 = -4 + 4

Combine like terms: -77 + 4 = -73
-73 + 12p + p2 = -4 + 4

Combine like terms: -4 + 4 = 0
-73 + 12p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '73' to each side of the equation.
-73 + 12p + 73 + p2 = 0 + 73

Reorder the terms:
-73 + 73 + 12p + p2 = 0 + 73

Combine like terms: -73 + 73 = 0
0 + 12p + p2 = 0 + 73
12p + p2 = 0 + 73

Combine like terms: 0 + 73 = 73
12p + p2 = 73

The p term is 12p.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12p + 36 + p2 = 73 + 36

Reorder the terms:
36 + 12p + p2 = 73 + 36

Combine like terms: 73 + 36 = 109
36 + 12p + p2 = 109

Factor a perfect square on the left side:
(p + 6)(p + 6) = 109

Calculate the square root of the right side: 10.440306509

Break this problem into two subproblems by setting 
(p + 6) equal to 10.440306509 and -10.440306509.

Subproblem 1

p + 6 = 10.440306509 Simplifying p + 6 = 10.440306509 Reorder the terms: 6 + p = 10.440306509 Solving 6 + p = 10.440306509 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + p = 10.440306509 + -6 Combine like terms: 6 + -6 = 0 0 + p = 10.440306509 + -6 p = 10.440306509 + -6 Combine like terms: 10.440306509 + -6 = 4.440306509 p = 4.440306509 Simplifying p = 4.440306509

Subproblem 2

p + 6 = -10.440306509 Simplifying p + 6 = -10.440306509 Reorder the terms: 6 + p = -10.440306509 Solving 6 + p = -10.440306509 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + p = -10.440306509 + -6 Combine like terms: 6 + -6 = 0 0 + p = -10.440306509 + -6 p = -10.440306509 + -6 Combine like terms: -10.440306509 + -6 = -16.440306509 p = -16.440306509 Simplifying p = -16.440306509

Solution

The solution to the problem is based on the solutions from the subproblems. p = {4.440306509, -16.440306509}

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