q^2-14q+27=0

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Solution for q^2-14q+27=0 equation:


Simplifying
q2 + -14q + 27 = 0

Reorder the terms:
27 + -14q + q2 = 0

Solving
27 + -14q + q2 = 0

Solving for variable 'q'.

Begin completing the square.

Move the constant term to the right:

Add '-27' to each side of the equation.
27 + -14q + -27 + q2 = 0 + -27

Reorder the terms:
27 + -27 + -14q + q2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -14q + q2 = 0 + -27
-14q + q2 = 0 + -27

Combine like terms: 0 + -27 = -27
-14q + q2 = -27

The q term is -14q.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14q + 49 + q2 = -27 + 49

Reorder the terms:
49 + -14q + q2 = -27 + 49

Combine like terms: -27 + 49 = 22
49 + -14q + q2 = 22

Factor a perfect square on the left side:
(q + -7)(q + -7) = 22

Calculate the square root of the right side: 4.69041576

Break this problem into two subproblems by setting 
(q + -7) equal to 4.69041576 and -4.69041576.

Subproblem 1

q + -7 = 4.69041576 Simplifying q + -7 = 4.69041576 Reorder the terms: -7 + q = 4.69041576 Solving -7 + q = 4.69041576 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + q = 4.69041576 + 7 Combine like terms: -7 + 7 = 0 0 + q = 4.69041576 + 7 q = 4.69041576 + 7 Combine like terms: 4.69041576 + 7 = 11.69041576 q = 11.69041576 Simplifying q = 11.69041576

Subproblem 2

q + -7 = -4.69041576 Simplifying q + -7 = -4.69041576 Reorder the terms: -7 + q = -4.69041576 Solving -7 + q = -4.69041576 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + q = -4.69041576 + 7 Combine like terms: -7 + 7 = 0 0 + q = -4.69041576 + 7 q = -4.69041576 + 7 Combine like terms: -4.69041576 + 7 = 2.30958424 q = 2.30958424 Simplifying q = 2.30958424

Solution

The solution to the problem is based on the solutions from the subproblems. q = {11.69041576, 2.30958424}

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