-6q^2-7q+6=0

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Solution for -6q^2-7q+6=0 equation:


Simplifying
-6q2 + -7q + 6 = 0

Reorder the terms:
6 + -7q + -6q2 = 0

Solving
6 + -7q + -6q2 = 0

Solving for variable 'q'.

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
-1 + 1.166666667q + q2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + 1.166666667q + 1 + q2 = 0 + 1

Reorder the terms:
-1 + 1 + 1.166666667q + q2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 1.166666667q + q2 = 0 + 1
1.166666667q + q2 = 0 + 1

Combine like terms: 0 + 1 = 1
1.166666667q + q2 = 1

The q term is 1.166666667q.  Take half its coefficient (0.5833333335).
Square it (0.3402777780) and add it to both sides.

Add '0.3402777780' to each side of the equation.
1.166666667q + 0.3402777780 + q2 = 1 + 0.3402777780

Reorder the terms:
0.3402777780 + 1.166666667q + q2 = 1 + 0.3402777780

Combine like terms: 1 + 0.3402777780 = 1.340277778
0.3402777780 + 1.166666667q + q2 = 1.340277778

Factor a perfect square on the left side:
(q + 0.5833333335)(q + 0.5833333335) = 1.340277778

Calculate the square root of the right side: 1.157703666

Break this problem into two subproblems by setting 
(q + 0.5833333335) equal to 1.157703666 and -1.157703666.

Subproblem 1

q + 0.5833333335 = 1.157703666 Simplifying q + 0.5833333335 = 1.157703666 Reorder the terms: 0.5833333335 + q = 1.157703666 Solving 0.5833333335 + q = 1.157703666 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-0.5833333335' to each side of the equation. 0.5833333335 + -0.5833333335 + q = 1.157703666 + -0.5833333335 Combine like terms: 0.5833333335 + -0.5833333335 = 0.0000000000 0.0000000000 + q = 1.157703666 + -0.5833333335 q = 1.157703666 + -0.5833333335 Combine like terms: 1.157703666 + -0.5833333335 = 0.5743703325 q = 0.5743703325 Simplifying q = 0.5743703325

Subproblem 2

q + 0.5833333335 = -1.157703666 Simplifying q + 0.5833333335 = -1.157703666 Reorder the terms: 0.5833333335 + q = -1.157703666 Solving 0.5833333335 + q = -1.157703666 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-0.5833333335' to each side of the equation. 0.5833333335 + -0.5833333335 + q = -1.157703666 + -0.5833333335 Combine like terms: 0.5833333335 + -0.5833333335 = 0.0000000000 0.0000000000 + q = -1.157703666 + -0.5833333335 q = -1.157703666 + -0.5833333335 Combine like terms: -1.157703666 + -0.5833333335 = -1.7410369995 q = -1.7410369995 Simplifying q = -1.7410369995

Solution

The solution to the problem is based on the solutions from the subproblems. q = {0.5743703325, -1.7410369995}

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