q^2-q-58=

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Solution for q^2-q-58= equation:


Simplifying
q2 + -1q + -58 = 0

Reorder the terms:
-58 + -1q + q2 = 0

Solving
-58 + -1q + q2 = 0

Solving for variable 'q'.

Begin completing the square.

Move the constant term to the right:

Add '58' to each side of the equation.
-58 + -1q + 58 + q2 = 0 + 58

Reorder the terms:
-58 + 58 + -1q + q2 = 0 + 58

Combine like terms: -58 + 58 = 0
0 + -1q + q2 = 0 + 58
-1q + q2 = 0 + 58

Combine like terms: 0 + 58 = 58
-1q + q2 = 58

The q term is -1q.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1q + 0.25 + q2 = 58 + 0.25

Reorder the terms:
0.25 + -1q + q2 = 58 + 0.25

Combine like terms: 58 + 0.25 = 58.25
0.25 + -1q + q2 = 58.25

Factor a perfect square on the left side:
(q + -0.5)(q + -0.5) = 58.25

Calculate the square root of the right side: 7.632168761

Break this problem into two subproblems by setting 
(q + -0.5) equal to 7.632168761 and -7.632168761.

Subproblem 1

q + -0.5 = 7.632168761 Simplifying q + -0.5 = 7.632168761 Reorder the terms: -0.5 + q = 7.632168761 Solving -0.5 + q = 7.632168761 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + q = 7.632168761 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + q = 7.632168761 + 0.5 q = 7.632168761 + 0.5 Combine like terms: 7.632168761 + 0.5 = 8.132168761 q = 8.132168761 Simplifying q = 8.132168761

Subproblem 2

q + -0.5 = -7.632168761 Simplifying q + -0.5 = -7.632168761 Reorder the terms: -0.5 + q = -7.632168761 Solving -0.5 + q = -7.632168761 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + q = -7.632168761 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + q = -7.632168761 + 0.5 q = -7.632168761 + 0.5 Combine like terms: -7.632168761 + 0.5 = -7.132168761 q = -7.132168761 Simplifying q = -7.132168761

Solution

The solution to the problem is based on the solutions from the subproblems. q = {8.132168761, -7.132168761}

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