q^2+12q+25=0

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Solution for q^2+12q+25=0 equation:


Simplifying
q2 + 12q + 25 = 0

Reorder the terms:
25 + 12q + q2 = 0

Solving
25 + 12q + q2 = 0

Solving for variable 'q'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 12q + -25 + q2 = 0 + -25

Reorder the terms:
25 + -25 + 12q + q2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 12q + q2 = 0 + -25
12q + q2 = 0 + -25

Combine like terms: 0 + -25 = -25
12q + q2 = -25

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

Add '36' to each side of the equation.
12q + 36 + q2 = -25 + 36

Reorder the terms:
36 + 12q + q2 = -25 + 36

Combine like terms: -25 + 36 = 11
36 + 12q + q2 = 11

Factor a perfect square on the left side:
(q + 6)(q + 6) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(q + 6) equal to 3.31662479 and -3.31662479.

Subproblem 1

q + 6 = 3.31662479 Simplifying q + 6 = 3.31662479 Reorder the terms: 6 + q = 3.31662479 Solving 6 + q = 3.31662479 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + q = 3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + q = 3.31662479 + -6 q = 3.31662479 + -6 Combine like terms: 3.31662479 + -6 = -2.68337521 q = -2.68337521 Simplifying q = -2.68337521

Subproblem 2

q + 6 = -3.31662479 Simplifying q + 6 = -3.31662479 Reorder the terms: 6 + q = -3.31662479 Solving 6 + q = -3.31662479 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + q = -3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + q = -3.31662479 + -6 q = -3.31662479 + -6 Combine like terms: -3.31662479 + -6 = -9.31662479 q = -9.31662479 Simplifying q = -9.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. q = {-2.68337521, -9.31662479}

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